Glossary

even distribution – where most results are in the middle and a roughly similar number of results fall either side. Also called bell-shaped or ‘normal’ distribution.

PEP (Post-Exposure Prophylaxis) – a short course of HIV treatment to HIV to reduce the chance of infection. See prophylaxis and PrEP.

iPrEP (intermittent Pre-Exposure Prophylaxis) – using HIV drugs to before a possible exposure to HIV, to reduce the chance of infection. iPrEP refers to taking a reducing dosing shecdule based on when you are likely to be exposed. PrEP usually refers to a daily treatment.

CDC – Centre for Disease Control, part of the USA health administration.

in vitro – a study in a test tube. Literally, ‘in glass’.