Glossary

CART – combination anti-retroviral therapy.

in-vivo – a study carried out in humans.

low level resistance – when there is some resistance but it does not have any significant impact on how well a drug works.  The HIV drug is still sensitve and is  considered active.

superinfection – another term for reinfection.

methadone – a man-made opiate that used to treat heroin addiction. See also buprenorphine.