This document provides an overview of HIV/AIDS, including what it is, when the first cases were reported, how it is transmitted, prevention methods, testing, signs and symptoms, treatment, ongoing research efforts, global statistics, and common myths. It defines HIV as a virus that attacks the immune system and can lead to AIDS if not treated. The first official reporting of AIDS cases occurred in 1981 in the US. HIV lives in certain body fluids like blood, semen, pre-seminal fluid, breast milk, vaginal fluids, and rectal fluids. Prevention methods include safer sex practices, safer drug use, testing and early treatment.