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| | HIV (human immunodeficiency virus) |
 | | Human immunodeficiency virus (HIV) is the retrovirus that causes AIDS (acquired immune deficiency syndrome). |
 | | HIV is carried in certain body fluids, including blood, semen, vaginal secretions and breast milk, and is transmitted when virus-infected fluids contact and enter the bloodstream of another person. |
 | | HIV is usually transmitted through sexual intercourse, the sharing of contaminated needles or syringes, or from mother to infant during pregnancy, childbirth or breast-feeding. |
| www.antigenics.com /diseases/hiv.html (1065 words) |
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