Glossary

decimal fraction – a fraction turned into a number by dividing the top part by the bottom part. For example, the decimal fraction for 3/5 is 0.6.

substitution therapy – using a prescription drug, eg methadone or buprenorphine, to stop using heroin.

malaria – a parasite infection of red blood cells.

peer support – support provided by people who share the same experience or problem. HIV peer support is provided by other HIV-positive people.

second-line therapy – the combination of used after your first treatment has failed.