Microbiologist

What this life looks like

Every bacterial infection, every viral outbreak, every fungal disease, and every parasitic infestation begins with a microorganism. As a Microbiologist you study these microorganisms – their biology, their behaviour, their pathogenesis, and their susceptibility to treatment. In a clinical setting you are the scientist who identifies the pathogen causing a patient's infection and determines which antibiotics will kill it. In a research setting you investigate the mechanisms by which microorganisms cause disease and how the body resists them. In a public health setting you run the surveillance programmes that detect outbreaks and track the spread of antibiotic resistance. Africa's microbial disease burden is extraordinary – tuberculosis, malaria, cholera, meningitis, HIV, Ebola, and dozens of other infections are concentrated on the continent. At the same time, antimicrobial resistance – the phenomenon where bacteria evolve to resist the antibiotics we use to treat them – is rising rapidly and threatens to make common infections untreatable. Microbiologists in Africa are working at the intersection of all these challenges simultaneously.

What she actually does

A Clinical Microbiologist identifies and characterises microorganisms from patient samples, performs antimicrobial susceptibility testing to guide treatment, manages infection control programmes in hospitals, advises clinicians on the diagnosis and treatment of complex infections, runs the quality assurance of clinical microbiology laboratories, and contributes to antimicrobial stewardship programmes. A Research Microbiologist conducts laboratory studies of microbial biology, virulence, and drug resistance, and develops new diagnostic and therapeutic approaches.

Where you can work

Why it matters in Africa

Africa carries the world's highest burden of infectious diseases caused by bacteria, viruses, fungi, and parasites. The rising wave of antimicrobial resistance – driven partly by inappropriate antibiotic use and inadequate infection control – threatens to make these already devastating infections even harder to treat. Africa also lacks the surveillance infrastructure to detect and respond to drug-resistant infections quickly. Clinical and research microbiologists who choose Africa are working on challenges that are both locally urgent and globally significant.

Your pathway in

Biology and Chemistry are essential at secondary school. You then complete a Bachelor of Science in Microbiology, Medical Microbiology, or Biomedical Science. For clinical medical microbiology, a medical degree followed by residency in medical microbiology through the West African College of Pathologists or equivalent body is the pathway. For research microbiology, a master's and PhD in microbiology or infectious disease science follows the undergraduate degree. Institutions including the University of Lagos, the University of Nairobi, the University of Ghana, and the University of Cape Town all have strong microbiology programmes.

Skills you will need

Technical: Microbial culture and identification, antimicrobial susceptibility testing, molecular microbiology including PCR and sequencing, infection control principles, virology techniques, and laboratory quality management. Human: Meticulous technique and attention to detail in laboratory work where contamination of samples or errors in identification can directly affect patient care, clear communication with clinical teams about laboratory findings, and the intellectual curiosity to investigate the biology of microorganisms that cause disease. Digital tools: Laboratory information management systems, molecular diagnostics platforms, antimicrobial resistance databases, and bioinformatics tools for microbial genomic analysis.

A woman in this field

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