Glossary

febrile – medical word relating to fever

TB (tuberculosis) – a bacterial infection that commonly affects the lungs (pulmonary TB) but which can also affect most other organs.

TB section of the training manual.

HBV – hepatitis B, a virus that causes liver disease.

Hepatitis B.

CD4 cells are white blood cells in your immune system. CD4 cells signal to CD8 cells to destroy a virus. CD4 cells are also used by HIV as factories to reproduce in.

fold-change – a term relating to drug resistance after a phenotype resistance test.

4-fold resistance (also called a 4-fold loss in sensitivity) means you need to use four times the dose to get the same reduction in viral load.