Glossary

fixed dose combination (FDC) – several drugs combined in one tablet at a standard dose.

bile duct – a tube that carries bile from the liver to the gallbladder and then to the small intestine biopsy: taking a small sample of body tissue for examination and testing in the laboratory

nucleus – the central part of some cells that contains DNA.

abdominal – in the area of your belly

compensatory mutation – this refer to an additional mutation, usually in the context of the fitness of a virus. For example, the mutations that stop a drug form working often stop the virus from reproducing as well. Additional mutations that return the virus to it’s former fitness are called compensatory mutations. They compensate for the reduced viral fitness. See revertant mutation.