Glossary

minor mutation – a drug resistance mutation that have a big impact on whether a drug continues to work. This used to be called a secondary mutation.

CMV (cytomegalovirus) – a viral infection. CMV retinitis is an HIV-related infection that can cause permanent vision loss in someone with a CD4 count that is below 50 cells/mm3.

More information on CMV.

acute infection – early infection (first few months with HIV).

cubic millimitre (mm³) – a measure of a volume. Same as microlitre (µL) and million parts per litre (10⁶/L). Practically, a drop of blood.

abstract – in research, a short summary of a study (usually about 350 words)