Glossary

secondary mutation – see minor mutation.

bilirubin – a liver enzyme. Increased levels of bilirubin lead to a yellowing of the skin or eyes.

Bilirubin and side effects

INI (integrase inhibitor) – type of HIV drug.

Drug targets in the virus life cycle.

surrogate marker – A surrogate marker is when something that is easy to measure is used as a marker for something that is difficult to measure directly.

The CD4 count doesn’t directly measure HIV. But it is a good surrogate (or indirect) marker for how HIV has damaged your immune system. It is closely linked to the risk of HIV-related complications.

Viral load in blood is a good surrogate marker for levels of HIV in your body overall including in other body sites.

BMI (body mass index) – a calculation using  height and weight that is used to decide whether someone is over or under weight.

Online BMI calculator.