Selected words and phrases
half-life (T1/2) the time taken a drug to clear from the highest concentration to half this level. Drugs have different half-lives in different compartments (ie half-life in blood can be different from the half-life inside a cell). It take 5 x the half-live for a drug to be considered cleared.
lymphoma – name for a cancer in the lymphatic system.
fusion inhibitor – a type of HIV drug (an entry inhibitor). Fusion inhibitors stops HIV ‘fusing’ to a CD4 cell. T-20 (enfuvirtide, Fuzeon) is only currently licensed fusion inhibitor.
undetectable – an amount smaller than a test can measure. For viral load tests, this means below 400 or, more commonly, below 50 copies/mL, depending on the make of test. In research laboratories, some very sensitive tests can measure down to 1 copy/mL.
mixed feeding – combination of breastfeeding and bottle feeding.
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