Glossary

primary HIV infection (PHI) – early infection (usually first six months with after HIV infection). Sometimes called acute infection.

cross-over study – where patients in a study ‘roll-over’ to a second related study. For example, this can be after a fixed period in a study (ie after 48 weeks) or after another event (for example, not having a treatment response).

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.

icterus – medical term for jaundice (yellowing skin)

SIDA – the abbreviation for AIDS in French, Spanish, Italian and Portuguese.