latent – not active at present, resting. Latently infected CD4 cells are CD4 cells that are infected with HIV but which are resting. HIV drugs do not work on resting cells.
Glossary
Selected words and phrases
range – the highest and lowest results in a group. Range is used together with median (average). See IQR (interquartile range).
lumbar puncture – taking a sample of spinal fluid by inserting a needle into the body at the base of the spine. Also called a spinal tap.
central line – tube inserted into a deep vein to deliver medicine (Hickman line or PortaCath).
performance stage – WHO classification of progress of HIV infection.