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Glossary

Selected words and phrases

secondary mutation – see minor mutation.

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.

hepatic encephalopathy – brain disease that occurs when serious liver damage prevents toxic substances from being flitered out of the blood, and they enter the brain. See encephalopathy.

escape mutation – a mutation or change in the genetic structure of HIV that makes it easier to evade the persons immune system (rather than a mutation that stops an HIV drug from working).

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.