Careers for Protecting Life and Building Healthier Communities
Health Science is not only medicine. It is a connected world of diagnosis, treatment, rehabilitation, public health, data, engineering, mental health, research, nutrition and the systems that keep care working.
One patient can involve a whole team of careers
Before a doctor examines a patient, a records officer may register them, a nurse may assess them, a laboratory scientist may test a sample, a radiographer may produce an image, a pharmacist may prepare medicine, a biomedical technician may keep the equipment working, and a health-data professional may record the case for future care and public-health monitoring.
Ask instead: Do you want to treat patients, investigate disease, build medical technology, analyse data, develop medicines, support mental health, rehabilitate people, protect communities or improve the systems around care?
Five ways to enter the Health Science ecosystem
See the professionals, equipment and work environments
Biomedical Equipment Technician / Engineer
Biomedical engineers and equipment technicians keep lifesaving technologies—such as ultrasound machines, patient monitors, oxygen systems and laboratory equipment—installed, calibrated, safe and working.
Health Informatics Specialist / Data Analyst
Health informatics combines healthcare, ICT and data. Specialists manage electronic medical records, dashboards, disease trends, reporting systems and digital-health projects.
Medical Laboratory Scientist
Laboratory professionals analyse blood and other biological samples to support diagnosis, treatment monitoring, blood services and disease surveillance.
Radiographer / Sonographer
Radiographers and sonographers use imaging technologies such as X-ray and ultrasound to help clinicians see inside the body and make better diagnostic decisions.
Medical Doctor / Surgeon
Doctors diagnose and treat disease, lead clinical decision-making and may specialise in medicine, surgery, paediatrics, obstetrics, psychiatry, radiology and many other fields.
Clinical Nurse
Nurses provide continuous patient care, monitoring, treatment support, health education, coordination and leadership across hospitals, health centres and communities.
Midwife
Midwives provide antenatal, delivery and postnatal care and help identify complications that require referral or specialist management.
Pharmacist
Pharmacists ensure medicines are selected, stored, prepared and used safely. They also counsel patients and can work in manufacturing, regulation, research and supply systems.
Physiotherapist
Physiotherapists help patients regain strength, mobility and function after accidents, stroke, surgery, sports injuries and other conditions.
Mental Health Professional / Psychologist / Counselor
Mental-health professionals support people experiencing anxiety, depression, trauma, addiction, severe mental illness, grief and other psychological challenges.
Emergency Medical Technician / Paramedic
Emergency-care professionals stabilise patients during accidents, acute illness, childbirth emergencies and disasters and support safe referral to higher-level care.
Biotechnology Scientist / Vaccine Researcher
Researchers use laboratory science, biotechnology and clinical research to develop vaccines, diagnostic tools, medicines and new ways to prevent or treat disease.
Epidemiologist
Epidemiologists study patterns of disease, investigate outbreaks and use data, maps and field evidence to guide prevention and public-health action.
Environmental Health Officer
Environmental-health work tackles the conditions that cause disease: unsafe water, poor sanitation, food hygiene, waste, pollution, housing and workplace risks.
Nutritionist / Dietitian
Nutrition professionals use food science and counselling to prevent malnutrition, support recovery and manage conditions such as diabetes and cardiovascular disease.
A child arrives with severe fever — what happens next?
Different health careers need different strengths
Courses learners can investigate
Full Health Science career guidance
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Occupational Category 8: Health Science
Careers for Protecting Life and Building Healthier African Communities
When many learners hear the words Health Science, the first careers that come to mind are usually doctor, nurse or pharmacist.
These are extremely important professions, but they represent only a small part of a much larger health system.
Before a doctor examines a patient, someone may have registered that patient. A laboratory scientist may test a blood sample. A biomedical engineer keeps medical equipment working. A pharmacist ensures the correct medicine is available. A radiographer produces diagnostic images. A nutritionist advises on diet. An environmental health officer investigates unsafe water. A health-information specialist manages patient records. An epidemiologist investigates disease outbreaks. A physiotherapist helps someone regain movement after an accident. A psychologist or counsellor supports mental wellbeing. A procurement officer ensures medicines reach facilities. A researcher may be developing tomorrow's vaccine.
All these professionals contribute to health.
Health Science is therefore not simply the study of medicine. It is the broad collection of careers, technologies and services concerned with preventing disease, diagnosing illness, treating patients, promoting wellbeing, conducting research and operating health systems.
For Africa's growing population, this occupational category will remain one of the continent's most important areas of education, employment, innovation and national development.
What Is Health Science?
Health Science brings together knowledge from:
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Biology;
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Chemistry;
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Physics;
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Mathematics;
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Medicine;
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Nursing;
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Pharmacy;
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Psychology;
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Nutrition;
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Environmental science;
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Information technology;
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Engineering;
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Statistics;
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Public health;
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Biotechnology; and
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Social sciences.
Its central purpose is simple:
To help people live healthier, safer and longer lives.
But accomplishing this requires thousands of different professionals.
Consider a child who arrives at a health facility with severe fever.
The receptionist or records officer registers the patient.
A nurse assesses the child's condition.
A clinician examines the child.
A laboratory professional conducts diagnostic tests.
A pharmacist prepares the prescribed medicine.
A health-information professional records the diagnosis.
An administrator ensures staff, equipment and supplies are available.
A biomedical technician keeps the diagnostic machines functioning.
If several children from the same village develop similar symptoms, surveillance officers and epidemiologists may investigate whether there is an outbreak.
One patient therefore demonstrates how interconnected the health workforce really is.
Five Broad Pathways in Health Science
For career-guidance purposes, Health Science can be organised into five broad pathways:
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Supportive Services
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Health Information and Communication Services
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Diagnostic Services
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Therapeutic Services
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Biotechnology, Pharmaceutical and Research Services
Modern health systems also increasingly require specialists in public health, digital health, mental health, community health, biomedical engineering, emergency response and health management.
1. Supportive Services
Supportive services make healthcare possible.
A hospital may have excellent doctors, but they cannot provide safe services if the hospital has no electricity, clean water, functioning equipment, medicines, waste-disposal system, sterile environment or reliable supply chain.
This pathway therefore includes professionals responsible for maintaining the environment and infrastructure in which health services are delivered.
Possible careers include:
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Biomedical equipment technician;
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Biomedical engineer;
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Medical equipment maintenance specialist;
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Health supply-chain officer;
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Procurement officer;
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Hospital maintenance technician;
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Environmental health officer;
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Occupational health and safety specialist;
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Infection-prevention officer;
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Hospital sanitation worker;
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Medical waste-management specialist;
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Sterilisation technician;
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Industrial hygienist;
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Facility manager;
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Water and sanitation specialist;
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Electrical technician;
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Refrigeration and air-conditioning technician; and
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Hospital engineer.
Why does an air-conditioning technician matter in healthcare?
Someone may wonder:
“What does refrigeration have to do with medicine?”
A great deal.
Some medicines, vaccines, laboratory reagents and blood products must be stored within carefully controlled temperatures.
If refrigeration fails, valuable medical products may become unusable.
Operating theatres and laboratories may also require carefully managed environments.
A technician maintaining cold-chain equipment is therefore indirectly helping protect lives.
Plumbing, Water Engineering and Health
Plumbing and water engineering should not normally be confused with clinical Health Science degrees, but they are extremely important supporting professions within health systems.
Imagine a hospital where:
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toilets do not function;
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waste water flows into patient areas;
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clean water is unavailable;
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handwashing facilities are broken.
Even with excellent doctors, that hospital would be unsafe.
This demonstrates an important career lesson:
Healthcare depends on much more than clinical professionals.
Biomedical Engineering: Where Medicine Meets Technology
Biomedical engineering is becoming particularly important.
Modern hospitals increasingly depend on equipment such as:
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patient monitors;
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ultrasound machines;
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X-ray systems;
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ventilators;
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oxygen concentrators;
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laboratory analysers;
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dialysis machines;
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anaesthesia equipment;
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infusion pumps; and
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surgical equipment.
Someone must install, test, calibrate, repair and maintain these technologies.
Consider a district hospital with an ultrasound machine that stops working.
Without a trained technician, the machine may remain unused for months.
Patients may then have to travel long distances for services that could have been provided locally.
Biomedical engineering therefore combines technology, engineering and healthcare.
It can be an excellent career for learners who enjoy Physics, Mathematics, electronics and Biology.
2. Health Information and Communication Services
A modern health facility produces enormous amounts of information.
Every patient may generate data about:
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age;
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symptoms;
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diagnosis;
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medicines;
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laboratory results;
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treatment;
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referrals;
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vaccination history;
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admission;
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discharge; and
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follow-up care.
Managing that information accurately is essential.
Careers include:
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Health information officer;
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Health records officer;
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Medical records administrator;
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Hospital administrator;
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Health informatics specialist;
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Health data analyst;
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Medical coder;
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Health statistician;
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Reception or admissions officer;
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Digital-health specialist;
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Health educator;
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Monitoring and evaluation officer;
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Health communication specialist; and
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Electronic medical-record systems administrator.
Health Informatics: A Growing Career
Health informatics combines healthcare + information technology + data.
Imagine a hospital that previously stored thousands of patient files in paper folders.
A health informatics team introduces an electronic medical-record system.
Patients can now be identified more quickly.
Laboratory results can reach clinicians electronically.
Administrators can analyse how many malaria cases were treated during a particular month.
Medicine consumption can be monitored.
Managers can identify departments receiving unusually large numbers of patients.
This is not simply an ICT project.
It is a health system improvement project.
A learner interested in computers does not necessarily have to become a doctor to work in healthcare.
He or she could become a:
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health systems developer;
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database administrator;
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cybersecurity specialist;
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digital-health project officer;
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health-data scientist;
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systems analyst; or
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health informatics specialist.
Health Data Can Save Lives
Imagine health authorities receiving reports that one district normally records 20 cases of a disease each week.
Suddenly the figure rises to 150.
A trained health-data professional notices the unusual pattern.
Epidemiologists investigate.
Health teams are deployed.
The source of the outbreak is discovered.
Treatment and prevention activities begin.
That demonstrates why data is not simply paperwork.
Good health information can become an early-warning system that protects entire communities.
Communication Is Also Healthcare
Health communication professionals help communities understand important issues such as:
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vaccination;
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nutrition;
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maternal health;
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sanitation;
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HIV prevention;
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malaria prevention;
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mental health;
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reproductive health;
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disease outbreaks;
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medicine use; and
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healthy lifestyles.
During an outbreak, inaccurate rumours can sometimes spread faster than the disease itself.
Health communicators therefore need the ability to translate complicated scientific information into language ordinary people can understand.
3. Diagnostic Services
Diagnostic professionals help determine what is wrong with a patient.
A clinician may suspect a particular disease, but laboratory tests, medical imaging or other examinations can provide important evidence before treatment begins.
Careers include:
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Medical laboratory scientist;
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Medical laboratory technician;
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Radiographer;
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Sonographer;
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Histotechnologist;
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Cytotechnologist;
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Pathology laboratory professional;
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Phlebotomist;
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Blood-bank technologist;
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Clinical laboratory scientist;
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Medical imaging specialist;
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Nuclear medicine professional; and
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Molecular diagnostics specialist.
Medical Laboratory Science
Laboratory professionals analyse samples such as:
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blood;
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urine;
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tissue;
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sputum;
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stool; and
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other biological specimens.
Their work can help diagnose diseases and monitor treatment.
A learner who loves Biology and Chemistry but does not particularly want to work directly with patients for most of the day might find laboratory science very attractive.
Laboratory work requires:
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accuracy;
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concentration;
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scientific reasoning;
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careful observation;
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adherence to safety procedures; and
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strong ethical behaviour.
A single incorrect laboratory result may lead to inappropriate treatment.
Accuracy therefore matters enormously.
Radiography and Medical Imaging
Medical imaging allows professionals to look inside the human body without ordinary surgery.
Depending on the facility and professional specialisation, imaging technologies can include:
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X-ray;
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ultrasound;
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CT scanning;
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MRI; and
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other specialised imaging systems.
Consider a patient injured in a road accident.
The clinician may suspect a fractured bone.
A radiographer produces an image.
The healthcare team can then determine the location and seriousness of the fracture.
Radiography is therefore an excellent example of Physics being applied directly to medicine.
Students interested in Physics should remember that health careers are not only about Biology.
Sonography
Sonographers use ultrasound technology to produce images of structures inside the body.
Ultrasound is widely known for monitoring pregnancy, but it can also be used in many other diagnostic situations.
This profession combines:
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anatomy;
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patient care;
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imaging technology;
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Physics; and
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careful interpretation.
Blood-Bank and Transfusion Services
Hospitals treating major accidents, surgical cases, severe anaemia, complicated childbirth and other emergencies need safe blood.
Blood-service professionals work in areas such as:
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collection;
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testing;
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blood grouping;
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storage;
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compatibility testing; and
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distribution.
Behind every successful blood transfusion is an important chain of technical and safety procedures.
4. Therapeutic Services
Therapeutic professionals work directly in the treatment, rehabilitation and continuing care of patients.
This is probably the pathway most people recognise when discussing health careers.
Occupations include:
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Doctor;
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Surgeon;
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Nurse;
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Midwife;
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Clinical officer or equivalent practitioner;
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Dentist;
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Pharmacist;
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Physiotherapist;
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Occupational therapist;
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Optometrist;
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Audiologist;
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Speech and language therapist;
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Respiratory therapist;
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Anaesthesia professional;
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Emergency medical professional;
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Paramedic;
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Mental-health professional;
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Rehabilitation specialist; and
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other specialised clinicians.
Professional titles, scopes of practice and qualification requirements differ between African countries.
Medicine and Surgery
Doctors diagnose disease, treat patients, prevent illness and may specialise in different areas.
Possible specialisations include:
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Paediatrics;
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Internal medicine;
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Surgery;
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Obstetrics and gynaecology;
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Psychiatry;
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Dermatology;
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Ophthalmology;
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Anaesthesiology;
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Radiology;
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Pathology;
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Family medicine;
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Public health;
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Oncology;
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Cardiology;
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Neurology; and
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many others.
Medicine can be intellectually rewarding, but learners should understand that it normally requires many years of demanding education, supervised clinical practice and continuous professional learning.
A student should not select medicine simply because family members say:
“Doctors are respected.”
The better questions are:
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Do I enjoy science?
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Can I study consistently for many years?
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Can I communicate compassionately with people?
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Can I make decisions under pressure?
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Can I deal professionally with illness, pain and death?
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Am I committed to lifelong learning?
Nursing
Nurses are central to healthcare delivery.
They may work in:
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hospitals;
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health centres;
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schools;
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communities;
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emergency care;
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operating theatres;
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intensive-care units;
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mental-health services;
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maternal care;
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paediatrics;
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public health;
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research; and
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health administration.
Nursing should never be presented to learners as merely “assisting doctors.”
Nursing is a profession with its own body of knowledge, clinical responsibilities, specialisations and leadership pathways.
Midwifery
Midwives provide essential care relating to pregnancy, childbirth and the period after delivery.
Their work contributes directly to the safety of mothers and babies.
A midwife may:
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monitor pregnancy;
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identify complications;
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assist during childbirth;
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provide postnatal care;
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educate families;
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support newborn care; and
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refer complicated cases.
For countries working to reduce preventable maternal and newborn deaths, skilled midwifery remains extremely important.
Dentistry
Dental professionals prevent, diagnose and treat diseases and conditions affecting teeth, gums and the mouth.
Dental careers can include:
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dental surgeon;
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dental therapist;
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dental hygienist;
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dental technologist; and
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dental assistant.
Oral health is part of general health.
Poor dental health can affect eating, communication, confidence, school attendance and general wellbeing.
Pharmacy
Pharmacists are experts in medicines.
Their responsibilities may include:
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reviewing prescriptions;
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advising on appropriate medicine use;
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detecting possible drug interactions;
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managing medicines;
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educating patients;
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supporting treatment programmes;
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working in pharmaceutical production;
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conducting research; and
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participating in medicine regulation.
A pharmacist does far more than simply hand medicines across a counter.
Physiotherapy
Physiotherapists help people restore or improve movement and physical function.
Patients may require physiotherapy after:
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accidents;
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stroke;
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surgery;
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sports injuries;
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neurological conditions; or
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long periods of illness.
Imagine a young man injured in a motorcycle accident.
Doctors repair the physical injury, but he struggles to walk properly afterwards.
A physiotherapist may work with him over weeks or months to regain strength, balance and mobility.
Treatment therefore does not always end when a patient leaves the operating theatre.
Occupational Therapy
Occupational therapists help people regain the ability to perform everyday activities.
A patient recovering from a stroke may need assistance learning how to:
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dress;
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eat independently;
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write;
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work;
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use household objects; or
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return to school.
The objective is greater independence and participation in everyday life.
Mental Health Careers
Health Science must include mental health.
Possible careers include:
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Psychiatrist;
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Clinical psychologist;
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Psychiatric nurse;
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Counsellor;
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Mental-health social worker;
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Addiction specialist; and
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Community mental-health practitioner.
African communities need professionals who can support people experiencing:
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depression;
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anxiety;
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trauma;
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substance-use disorders;
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severe mental illness;
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grief;
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family difficulties; and
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other psychological challenges.
Mental health should not be treated as separate from health.
The brain and mind are part of the person receiving healthcare.
Emergency Medical Services
Emergencies happen everywhere:
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road crashes;
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fires;
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floods;
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industrial accidents;
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sudden illness;
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childbirth emergencies; and
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disasters.
Emergency medical professionals stabilise patients and provide urgent care.
Depending on national systems, careers may include:
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emergency medical technician;
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paramedic;
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emergency nurse;
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emergency physician; and
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ambulance-service professional.
People who enjoy fast-paced environments and can remain focused during emergencies may find this pathway attractive.
5. Biotechnology, Pharmaceutical and Research Services
Some health professionals spend little or no time treating individual patients.
Instead, they investigate diseases, develop medicines, analyse biological processes or create new technologies.
Careers may include:
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Microbiologist;
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Biotechnologist;
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Molecular biologist;
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Biochemist;
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Biostatistician;
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Pharmaceutical scientist;
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Pharmaceutical technician;
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Research laboratory technician;
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Clinical researcher;
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Immunologist;
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Genetic scientist;
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Bioinformatician;
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Vaccine researcher; and
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Drug-development scientist.
Biotechnology
Biotechnology uses living organisms, cells and biological processes to develop products and technologies.
In healthcare it can contribute to:
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vaccines;
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diagnostic tests;
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medicines;
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molecular testing;
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genetics;
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disease surveillance; and
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biomedical research.
The COVID-19 pandemic demonstrated the strategic importance of countries having strong laboratory, pharmaceutical, biotechnology and research capabilities.
Africa should not remain only a consumer of health technologies developed elsewhere.
The continent needs young scientists capable of researching, manufacturing and improving health technologies locally.
Pharmaceutical Science and Manufacturing
Africa needs professionals who understand how medicines are:
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researched;
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formulated;
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produced;
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tested;
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quality-controlled;
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stored;
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distributed; and
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regulated.
This creates career opportunities beyond community pharmacies.
A pharmaceutical scientist may work in a manufacturing facility.
A quality-control specialist may test products.
A regulatory professional may evaluate medicine safety and compliance.
A supply-chain professional may ensure products reach health facilities.
Biostatistics
Biostatistics applies Mathematics and Statistics to health problems.
Imagine researchers testing a new treatment.
They recruit hundreds of participants.
Data must be analysed to determine whether the treatment actually works.
A biostatistician helps answer questions such as:
Are patients improving because of the treatment, or could the apparent improvement simply be due to chance?
Students who love Mathematics should recognise that they too can build powerful health careers.
Public Health: Protecting Whole Populations
Clinical medicine often asks:
“How do we treat this patient?”
Public health asks:
“How do we prevent thousands of people from becoming patients?”
Public-health professionals may work in:
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disease prevention;
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epidemiology;
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health promotion;
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vaccination;
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sanitation;
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reproductive health;
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nutrition;
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community health;
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environmental health;
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occupational health;
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health policy;
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monitoring and evaluation; and
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outbreak response.
Epidemiology
Epidemiologists study patterns of disease in populations.
Suppose several villages begin reporting unusual cases of diarrhoeal disease.
An epidemiologist may investigate:
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Who is becoming sick?
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Where do they live?
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When did cases begin?
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What water sources are they using?
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What behaviours do affected people have in common?
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Is contaminated water responsible?
The investigation can then guide action.
This profession combines:
Biology + statistics + investigation + public policy.
Environmental Health
Human health depends heavily on the environment.
Environmental health professionals deal with issues such as:
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safe drinking water;
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sanitation;
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food hygiene;
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waste management;
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pollution;
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workplace safety;
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disease vectors;
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housing conditions; and
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community hygiene.
A health officer investigating a cholera outbreak may discover that the problem is not a shortage of medicine.
The actual problem may be contaminated drinking water.
Treating patients without fixing the water source would mean new patients continue arriving.
Health science therefore often requires addressing the cause, not simply treating the consequence.
Nutrition and Dietetics
Food affects:
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childhood development;
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immunity;
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maternal health;
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diabetes;
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heart disease;
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obesity;
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recovery from illness; and
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overall wellbeing.
Nutrition professionals work in hospitals, communities, schools, food programmes, research, humanitarian programmes and public policy.
A nutritionist might support a child suffering from malnutrition.
Another may help a diabetic patient develop an appropriate eating plan.
Another may work with government on national nutrition programmes.
Food Science and Technology
Food scientists study how food is:
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produced;
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processed;
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preserved;
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packaged;
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tested; and
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kept safe.
This field sits at the intersection of agriculture, manufacturing, science and public health.
Preventing unsafe food from reaching consumers is itself an important health function.
One Health: Human, Animal and Environmental Health Are Connected
Modern health planning increasingly recognises the One Health principle.
Human health cannot always be separated from:
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animal health;
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wildlife;
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agriculture; and
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environmental health.
Some infectious diseases can move between animals and humans.
Food systems can spread disease.
Environmental changes can influence disease patterns.
Veterinarians, doctors, laboratory scientists, wildlife specialists, epidemiologists and environmental scientists may therefore have to work together.
Veterinary Medicine and Wildlife Health should consequently be understood as closely connected to the wider health-security system, even though universities may administratively place them under veterinary, agricultural or life-science faculties.
Community Health Workers
Not every health intervention happens inside a large hospital.
Community health workers and similar frontline personnel may:
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provide health education;
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support disease prevention;
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refer patients;
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encourage vaccination;
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monitor vulnerable households;
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support maternal and child health; and
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connect communities with formal health facilities.
Their local knowledge can make them essential bridges between professional health systems and households.
Digital Health Is Transforming the Profession
Health Science is increasingly digital.
Future professionals may work with:
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electronic medical records;
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telemedicine;
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mobile health applications;
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digital diagnostic systems;
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health dashboards;
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artificial intelligence;
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wearable devices;
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disease-surveillance platforms;
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remote patient monitoring; and
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health-data analytics.
This means students should not think:
“ICT and medicine are completely different careers.”
They increasingly overlap.
A software developer may build a hospital-management system.
A data scientist may predict disease trends.
A cybersecurity specialist may protect confidential patient information.
An AI researcher may develop systems that assist professionals in analysing medical images.
A telecommunications engineer may help connect remote clinics with specialists.
Artificial Intelligence in Healthcare
AI is beginning to support areas such as:
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medical imaging;
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disease prediction;
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patient triage;
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administrative automation;
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drug discovery;
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health-data analysis; and
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clinical decision support.
However, health decisions affect human lives.
Future professionals must therefore understand:
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patient privacy;
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data security;
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accuracy;
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bias;
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ethics;
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accountability; and
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responsible use of technology.
A computer system should support healthcare professionals rather than encourage careless decision-making.
Africa Still Needs Health Workers
Africa continues to face a major health-workforce challenge.
WHO reports that the health workforce in its African Region expanded from approximately 1.6 million workers in 2013 to 5.1 million in 2022, supported by increased training and policy reforms. Around 4,000 health-training institutions collectively produce roughly 255,100 graduates annually.
Yet the latest WHO analysis projects a needs-based shortage of approximately 5.85 million health workers by 2030 if current trends continue.
This means enormous health needs remain.
But there is an important lesson for learners and parents.
A Health-Worker Shortage Does Not Automatically Mean Immediate Employment
This may sound contradictory.
How can Africa lack health workers while trained health professionals remain unemployed?
That is exactly one of the challenges identified in the State of the Health Workforce in Africa 2026.
WHO estimated that approximately 943,000 trained health workers were unemployed in Africa in 2024, even while many health systems remained understaffed.
The problem can involve:
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inadequate government health budgets;
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insufficient funded positions;
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uneven distribution of professionals;
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professionals concentrated in cities;
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shortages in rural areas;
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differences between the workers being trained and those health systems need;
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migration;
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limited infrastructure; and
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weak workforce planning.
The lesson is very important:
“There is demand for healthcare” does not automatically mean “every health graduate will immediately get a job.”
Learners must research the specific profession, country, registration requirements, employment environment and opportunities before choosing a programme.
Rural and Urban Distribution
Some countries may have many professionals concentrated in capital cities while rural communities remain severely underserved.
For example, a major urban hospital may attract specialists because it offers:
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better equipment;
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professional networks;
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schools for workers' children;
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housing;
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professional-development opportunities; and
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better living conditions.
A remote health centre may struggle to retain staff.
Government planners therefore need to address not only how many professionals are trained, but also:
Where will they work, and what will make them remain there?
International Opportunities and Health-Worker Migration
Doctors, nurses and other professionals can sometimes find employment outside their home countries.
International mobility can create:
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professional opportunities;
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higher incomes;
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new experience;
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remittances;
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knowledge transfer; and
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international professional networks.
However, Africa also needs these professionals.
If countries invest heavily in training health workers who then leave because local systems cannot employ or retain them, already stretched health services can become weaker.
International recruitment therefore raises questions of both opportunity and responsibility.
WHO promotes ethical international recruitment through its Global Code of Practice, recognising the need to respect health workers' freedom to migrate while also protecting countries facing serious workforce shortages.
The ideal objective should therefore not simply be “labour export.”
A stronger strategy is:
Train enough professionals for domestic needs while also creating ethical pathways for international mobility, exchange, specialisation and return of skills.
Students Should Not Choose Health Careers Only to Travel Abroad
A learner should be careful with statements such as:
“I will study nursing because I want to leave Africa.”
International recruitment changes.
Immigration laws change.
Professional registration requirements change.
Language requirements differ.
Countries can alter shortage-occupation lists.
Foreign qualifications may require additional examinations.
A better approach is:
Choose a profession you can practise successfully at home, regionally and internationally.
International mobility should be an opportunity, not the entire career plan.
Appropriate Subjects at Secondary School
Health careers usually require a strong science foundation.
Particularly important subjects include:
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Biology;
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Chemistry;
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Physics;
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Mathematics; and
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English or another major language of instruction.
However, requirements differ significantly between:
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countries;
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universities;
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diploma programmes;
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degree programmes; and
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specific health professions.
Learners must therefore check the current entry requirements of the institution and professional programme they intend to join.
Advanced-Level Subject Combinations
In education systems that use Advanced-Level subject combinations, combinations built around Biology and Chemistry commonly open pathways into many health-related programmes.
Examples may include combinations containing:
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Physics, Chemistry and Biology;
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Biology, Chemistry and Mathematics;
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Biology, Chemistry and Agriculture;
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Biology and Chemistry with another approved subject; or
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related science combinations.
Traditional abbreviations such as PCB, BCM, BCG, BAG and others differ by education system and should never be presented as universal requirements across Africa.
Medicine, Dentistry, Pharmacy, Nursing, Laboratory Science and other programmes may each have different requirements.
A student should therefore never say:
“Someone told me this combination qualifies me.”
Check the official university admission information.
Health Careers for Students Who Do Not Take the Same Science Combination
The Health Science ecosystem is much broader than Medicine.
Depending on national admission systems, a learner may enter health-related areas through:
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ICT;
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Statistics;
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Engineering;
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Psychology;
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Social Work;
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Communication;
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Business;
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Environmental Science;
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Nutrition;
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Public Administration; or
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Economics.
For example:
A Mathematics and ICT student could eventually work in health data.
An Engineering student could specialise in biomedical technology.
A Psychology student could progress into mental-health services.
An Economics graduate could work in health economics.
A Communication graduate could specialise in public-health communication.
Healthcare requires many forms of intelligence.
Major Courses and Career Development Prospects
The following programmes can lead into Health Science or closely related health-support careers.
| Course | Possible Career Direction |
|---|---|
| Medicine and Surgery | Doctor, specialist physician, surgeon |
| Dental Surgery | Dentist, dental specialist |
| Pharmacy | Pharmacist, pharmaceutical services |
| Nursing | Clinical nursing, specialist nursing, management |
| Midwifery | Maternal and newborn care |
| Medical Laboratory Science | Laboratory diagnostics |
| Medical Radiography | Diagnostic imaging |
| Biomedical Engineering | Medical equipment and technology |
| Physiotherapy | Rehabilitation and movement |
| Occupational Therapy | Functional rehabilitation |
| Optometry | Vision and eye care |
| Public Health | Prevention, planning and health programmes |
| Environmental Health | Sanitation, safety and disease prevention |
| Human Nutrition and Dietetics | Clinical/community nutrition |
| Food Science and Technology | Food safety and manufacturing |
| Biotechnology | Medical and biological innovation |
| Microbiology | Laboratory science and research |
| Biochemistry | Research and diagnostics |
| Health Informatics | Digital-health systems |
| Biostatistics | Health-data analysis |
| Epidemiology | Disease surveillance and outbreak investigation |
| Health Administration | Management of health institutions |
| Psychology | Mental-health pathways |
| Veterinary Medicine | Animal health and One Health |
| Wildlife Health | Wildlife disease and One Health |
| Sports Science | Human performance and rehabilitation-related fields |
| Water Engineering | Health-support infrastructure |
| Refrigeration/Air Conditioning | Medical cold chain and facility support |
| Plumbing | Water, sanitation and health-facility infrastructure |
A Practical Example: Sarah Wants to “Work in a Hospital”
Suppose Sarah tells her career teacher:
“I want to work in a hospital.”
The teacher should not immediately reply:
“Then become a nurse.”
Instead, the teacher should ask:
What does Sarah enjoy?
If she loves Biology, Chemistry and direct patient interaction, Medicine or Nursing may suit her.
If she loves machines and Physics, Radiography or Biomedical Engineering may be better.
If she enjoys Chemistry and medicines, Pharmacy may interest her.
If she loves Mathematics and computers, Health Informatics or Biostatistics may be a better fit.
If she enjoys counselling people, Psychology or Mental Health may suit her.
If she loves investigations and laboratory experiments, Medical Laboratory Science or Microbiology may appeal to her.
If she enjoys organising people and systems, Hospital Administration may be appropriate.
One workplace can contain dozens of completely different careers.
Another Example: Daniel Loves Computers, Not Hospitals
Daniel enjoys programming but does not like seeing blood.
He assumes Health Science has nothing to offer him.
That conclusion would be wrong.
Daniel could eventually build:
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hospital information systems;
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patient-record applications;
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disease-surveillance tools;
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medical appointment systems;
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health dashboards;
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telemedicine platforms; or
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laboratory information systems.
He could specialise in health-data cybersecurity.
He could work on artificial intelligence for medical imaging.
He might rarely enter a treatment room but still contribute significantly to healthcare.
What Learners Can Do While Still at School
Health-career preparation can begin before university.
Learners can:
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Take science subjects seriously.
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Strengthen Mathematics.
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Improve communication skills.
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Learn basic computing.
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Participate in science clubs.
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Join first-aid activities where available.
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Participate in health-awareness campaigns.
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Learn basic data analysis.
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Research different professions.
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Attend career talks.
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Interview health professionals.
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Participate in innovation competitions.
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Learn about nutrition and sanitation.
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Develop empathy and teamwork.
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Volunteer in appropriate community programmes under adult supervision.
A Good School Health Project
Students could investigate:
“Why are many learners missing school because of preventable illness?”
They might:
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Develop a questionnaire.
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Collect anonymous data.
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Group common causes.
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Analyse results using a spreadsheet.
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Create graphs.
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Investigate possible prevention strategies.
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Present recommendations to school leadership.
This one project introduces students to:
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public health;
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research;
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statistics;
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ICT;
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communication;
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teamwork; and
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problem-solving.
That is career education through practical experience.
Guidance for Parents
Parents should avoid forcing children into Medicine simply because it is regarded as prestigious.
Statements such as:
“You got excellent science grades, therefore you must become a doctor,”
can be harmful if the learner has no genuine interest in clinical medicine.
A child who excels in science may become an outstanding:
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biomedical engineer;
-
pharmacist;
-
laboratory scientist;
-
researcher;
-
physiotherapist;
-
nutritionist;
-
epidemiologist;
-
veterinarian;
-
radiographer;
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biotechnologist; or
-
health-data scientist.
Parents should investigate the child's strengths, personality and interests, not simply the social status of a career.
Not Every Child Who Loves Biology Should Become a Doctor
Medicine requires a particular combination of:
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scientific ability;
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communication;
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resilience;
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empathy;
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discipline;
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responsibility; and
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willingness to continue learning.
Another learner may love laboratory investigation but dislike constant patient interaction.
That learner may become an excellent scientist.
Another may enjoy repairing devices.
Biomedical engineering could be perfect.
Another may be passionate about helping people regain movement.
Physiotherapy may fit.
Career guidance should match the learner to the profession, not force the learner into the profession.
Guidance for Schools
Schools should expose learners to the diversity of Health Science.
Career days should not invite only doctors and nurses.
Schools can invite:
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pharmacists;
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laboratory scientists;
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nutritionists;
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public-health officers;
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biomedical technicians;
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psychologists;
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environmental-health officers;
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radiographers;
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physiotherapists;
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health-data professionals;
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veterinarians;
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researchers; and
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hospital administrators.
A learner cannot choose a profession he or she has never heard about.
Guidance for Universities and Health-Training Institutions
Training institutions carry an enormous responsibility.
Producing more graduates is not enough.
The 2026 WHO workforce findings show that Africa simultaneously faces major shortages and significant unemployment among trained health workers.
Universities and training institutions therefore need to ask:
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Are we training professionals countries actually need?
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Are graduates receiving enough practical experience?
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Are curricula keeping pace with technology?
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Can graduates use modern health-information systems?
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Are students learning teamwork across professions?
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Are we preparing people for community and rural healthcare?
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Are graduates trained in research and data?
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Are ethics and patient safety taken seriously?
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Are programmes linked to actual labour-market information?
The objective should not simply be:
“How many students graduated?”
It should also be:
“Can these graduates safely and effectively improve health outcomes?”
Guidance for Government Planners
Governments need to move beyond simply counting doctors and nurses.
Effective health-workforce planning should ask:
How many workers are required?
Not just nationally, but by profession and location.
Where are they needed?
A national figure can hide severe rural shortages.
Which professions are missing?
A hospital may have doctors but lack:
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laboratory staff;
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anaesthesia professionals;
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biomedical technicians;
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pharmacists;
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radiographers; or
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specialised nurses.
Can government afford to employ graduates?
Training thousands of professionals without budgeting for employment creates frustration while health facilities remain understaffed.
Can workers be retained?
Governments must consider:
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working conditions;
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accommodation;
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equipment;
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career progression;
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continuing education;
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safety;
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remuneration; and
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professional support.
WHO's 2026 analysis specifically calls for African countries to better connect planning, training, employment and retention rather than treating them as separate problems.
Government Must Plan for New Health Professions
Workforce planning should also look forward.
The health system of 2040 will require professionals in fields such as:
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genomic medicine;
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digital health;
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health cybersecurity;
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artificial intelligence;
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bioinformatics;
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biomedical engineering;
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molecular diagnostics;
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climate and health;
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health-data science;
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emergency preparedness;
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vaccine manufacturing; and
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pharmaceutical biotechnology.
If training systems respond only after shortages become severe, countries will always remain behind.
Guidance for the General Public
The public also needs a broader understanding of healthcare.
People sometimes assume:
“If there is no doctor, there is no healthcare.”
Doctors are vital, but safe care depends on teams.
A functioning health system needs:
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nurses;
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midwives;
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laboratory professionals;
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pharmacists;
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cleaners;
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administrators;
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ambulance personnel;
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technicians;
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data officers;
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engineers;
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nutritionists;
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counsellors;
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public-health professionals; and
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many others.
Every profession should operate within its lawful and professional scope.
Respecting the entire health team strengthens healthcare.
Health Careers Require Ethics
Health professionals often encounter people when they are frightened, sick, injured or vulnerable.
They may access extremely private information.
They may administer powerful medicines.
They may make decisions with serious consequences.
Ethics therefore lies at the centre of healthcare.
A good health professional should demonstrate:
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confidentiality;
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honesty;
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compassion;
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professionalism;
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respect;
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accountability;
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fairness; and
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commitment to patient safety.
Academic excellence without ethical behaviour can be dangerous in healthcare.
Communication Matters
Being excellent at Biology is not enough.
Imagine a doctor who understands the disease perfectly but cannot explain treatment to a frightened parent.
Imagine a pharmacist who gives correct medicine but fails to explain how it should be taken.
Imagine a nurse who knows exactly what to do but treats patients disrespectfully.
Technical knowledge matters.
So does human communication.
Teamwork Matters
Modern healthcare is a team activity.
A surgeon depends on:
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nurses;
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anaesthesia professionals;
-
laboratory staff;
-
pharmacists;
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theatre technicians;
-
cleaners;
-
biomedical engineers; and
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many others.
One professional cannot safely perform every role.
Students who want health careers should therefore learn how to cooperate rather than always trying to be the most important person in the room.
Lifelong Learning Is Essential
Health knowledge changes continuously.
New diseases emerge.
Medicines change.
Diagnostic technologies improve.
Treatment guidelines are updated.
Digital systems evolve.
Health professionals must therefore continue learning throughout their careers.
Graduation is not the end of education.
In many health professions, it is really the beginning of professional learning.
Entrepreneurship in Health Science
Health graduates should not think only about government hospitals.
Depending on professional regulations and licensing requirements, opportunities can exist in:
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private clinics;
-
laboratories;
-
pharmacies;
-
medical-supply businesses;
-
rehabilitation centres;
-
nutrition services;
-
health technology;
-
healthcare software;
-
biomedical equipment;
-
medical logistics;
-
health education;
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research;
-
home-based care; and
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health consulting.
A biomedical engineer might establish an equipment-maintenance company.
A software developer might build clinic-management systems.
A nutritionist might establish a professional nutrition service.
A pharmacist might move into pharmaceutical manufacturing or distribution.
A laboratory scientist may eventually establish appropriately licensed diagnostic services.
Entrepreneurship in healthcare, however, must always put patient safety, professional regulation and ethics before profit.
The Future of Health Science in Africa
The future health professional may work very differently from today's professional.
A rural clinician may consult a specialist hundreds of kilometres away through telemedicine.
A laboratory may use molecular technology to identify pathogens rapidly.
Artificial intelligence may assist radiographers in analysing images.
Drones may support the delivery of medical supplies to remote locations.
Community workers may collect health information using mobile devices.
Wearable sensors may monitor patients outside hospitals.
Researchers may analyse genetic information to understand disease.
African pharmaceutical companies may manufacture more vaccines and essential medicines locally.
Health-data systems may detect outbreaks earlier.
Biomedical engineers may design equipment specifically suited to facilities with limited power or difficult environments.
These developments create one central message for today's learners:
Health Science is becoming more scientific, technological, multidisciplinary and innovative—not less.
Essential Skills for the Future Health Professional
Learners preparing for this occupational category should develop:
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Scientific literacy;
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Digital literacy;
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Communication;
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Mathematics;
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Data interpretation;
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Critical thinking;
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Problem-solving;
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Research skills;
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Teamwork;
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Emotional intelligence;
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Professional ethics;
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Creativity;
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Adaptability;
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Leadership; and
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Lifelong-learning habits.
A future doctor who understands data will be stronger.
A future nurse who understands digital health will be stronger.
A future pharmacist who understands supply chains will be stronger.
A laboratory scientist who understands research methods will be stronger.
A biomedical engineer who understands patient needs will design better solutions.
Final Message to Learners
Do not ask only:
“Should I become a doctor or nurse?”
Ask:
What part of improving human health interests me most?
Do I want to diagnose disease?
Treat patients?
Prevent illness?
Build medical equipment?
Analyse health data?
Develop medicines?
Study disease outbreaks?
Support mental health?
Improve nutrition?
Manage hospitals?
Design healthcare software?
Research vaccines?
Protect water and sanitation?
Rehabilitate injured patients?
Improve animal and human health together?
There is room for many different talents.
Africa needs doctors.
Africa needs nurses.
But Africa also needs:
laboratory scientists, pharmacists, biomedical engineers, epidemiologists, physiotherapists, nutritionists, mental-health specialists, health-data scientists, researchers, environmental-health professionals, radiographers, biotechnology specialists, community-health workers, administrators, technicians and innovators.
The continent's challenge is not simply to produce more certificates.
It is to plan, train, employ, equip, distribute, support and retain competent professionals who can meet the real health needs of communities—a priority strongly reflected in WHO's current African health-workforce agenda.
And for the learner considering this occupational category, there is an even deeper lesson:
Every health profession ultimately exists because somebody's life, wellbeing or dignity depends upon the work being done properly.
Choose carefully.
Study seriously.
Develop your character alongside your qualifications.
Keep learning as science and technology change.
And wherever you eventually serve—in a village health centre, research laboratory, university, pharmacy, hospital, technology company, ministry, ambulance, rehabilitation centre or international health organisation—remember that Health Science is ultimately about using knowledge, compassion and innovation to protect human life and build healthier communities.
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