Glossary

nausea – the feeling that you want to be sick (a feeling of wanting to vomit). 

Nausea section in the side effect guide.

mutation – a change in the genetic structure of an organism (including a virus like HIV). See resistance.

Changing treatment and drug resistance.

primary mutation – see major mutation.

hepatitis – an infection that causes liver inflammation, usually a virus.

SVR (sustained virological response) – having a negative HCV viral load test 6 months after stopping HCV treatment. The response, 6 months after treatment is stopped, determines whether treatment has been effective in terms of clearing HCV. SVR is the most important result from an HCV treatment trial. See ETR.