5. HIV/AIDS H uman I mmunodeficiency V irus A cquired I mmune D eficiency S yndrome SIV FIV C H A N G E
6. How is HIV transmitted? There are documented cases of HIV transmission occurring when a person comes into contact with these fluids from an infected person: C H A N G E
8. HIV Infection Has Four Stages Transmission has occurred but there is no antibody production. This stage may last about three (3 to 6) months and in some rare cases, as long as a year. Antibody production has occurred but there are no symptoms of infection. This stage may last for years. At this stage, people show signs and symptoms of infection. This stage may last for years as well. Immune system cells are severely depleted. Opportunistic infections are occurring. Again, this stage may last for years.