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viral load – the amount of virus in a sample of blood or other fluid. With HIV this is commonly the amount of HIV in a millilitre (mL) of blood. See viral load test.

foetal membranes are the membranes surrounding the foetus.

fulminant liver disease – sudden, rapid disease progression related to liver failure.

induction (in the liver) – refers to the body processing a drug more quickly by inducing (or increasing) more of the enzymes that clear the drug. This leads to lower drug levels.

brand name drug – drug supplied under a marketing name. Brand name drugs are usually protected by patents, but some generic drugs also have brand names