| A | B |
| AIDS | Acquired immunodeficiency syndrome |
| AZT | azidothymidine (drug used to treat AIDS) |
| CD4+ | Protein on T cell helper lymphocyte that is infected with HIV in AIDS |
| CMV | cytomegalovirus (causes opportunistic AIDS-related infection) |
| Crypto | Cryptococcus (causes opportunistic AIDS-related infection) |
| ddI | Dideoxyinosine (drug used to treat AIDS) |
| EBV | Epstein-Barr virus |
| ELISA | Encyme-linked immunosorbent assay (test for presence of antibodies to AIDS virus in serum) |
| Histo | Histoplasmosis (fungal infection seen in AIDS patients) |
| HIV | Human immunodeficiency virus (causes AIDS) |
| HSV | Herpes simplex virus |
| IgA, IgD, IgE, IgG, IgM | Immunoglobulins |
| KS | Kaposi's sarcoma |
| MAI | Mycobacterium avium-intacellulare (causes bacterial disease seen in AIDS patients) |
| PCP | Pneumocystis carini pneumonia (opportunistic AIDS-related infection) |
| T4 | T cell lymphocyte that is destroyed by the AIDS virus |
| T8 | T cell lymphocyte ( cytotoxic or killer cell) |
| Toxo | toxoplasmosis (parasitic infection associated with AIDS) |
| ZDW | Zidovudine (drug used to treat AIDS) |