Older people affected by HIV/AIDS: People who are faced with the hardship of providing care and support to adult children or children living with HIV/AIDS, and /or children whose parents have died of AIDS.

Opportunistic infections: Illness caused by organisms that usually do not cause disease in a person with a normal immune system. Opportunistic infections take advantage of a weakened immune system to cause illness. Those common in persons diagnosed with AIDS include pneumocystis pneumonia, chronic cryptosporidia diarrhea, histoplasmosis, and cytomegalovirus eye infection.

Outreach: HIV/AIDS educational interventions that are generally conducted by peer or paraprofessional educators. This involves face-to-face contact with individuals engaged in high risk behavior, in their neighbourhoods or other areas where these individuals typically congregate. Such interventions typically include the distribution of condoms and educational materials.