NSEP: See Needle-syringe exchange programme.

NSP: See needle syringe programme.

Needle syringe exchange programme (NSEP): Activities aimed at avoiding transmission of HIV by people who inject drugs by promoting safe injection practices, providing sterile injecting equipment and safe injection sites, and collecting used syringes and needles in containers.

Needle syringe programme: See ‘Needle syringe exchange programme’.

Nevirapine: An antiretroviral drug used to treat persons with HIV infection.