Glossary

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

Hepatitis B.

clinical cut-off (CCO) – a test result that is associated with an impact on clinical care. With resistance tests a lower CCO is the level below which a drug is still sensitive or active. This is often set at a 20% loss of activity (compared to wild-type HIV). An upper CCO is the level above which the drug is not considered active (ie resistant). This is often set at an 80% loss of activity (compared to wild-type HIV).

Portacath – a small medical device fitted under the skin that allows injected drugs to have a more direct route to where they are needed.

RITA – this is a type of HIV test that can indicate whether you recemtly became HIV positive. This is defined as being the last six months.

RITA stands for Recent Infection Treatment Algorithm. In the UK, this test is used to be called STARHS (Serological Testing Algorithm for Recent HIV Seroconversion).

It is also sometimes called a de-tuned or recency HIV test.

See this Q&A on RITA testing.

event-based dosing –  See EBD.