Brazil. 1  Campestre, Alagoas. 2  Campestre, Minas Gerais. 3  Campestre da Serra, Rio Grande do Sul.  Campestre de GoiÃ¡s, 1  GoiÃ¡s. Campestre do MaranhÃ£o, MaranhÃ£o.  Campestre do Menino Deus, Santa Maria, Rio Grande do 1  Sul. SÃ£o JosÃ© do Campestre, Rio Grande do  Norte.
Formal tracking (surveillance) of AIDS cases began that year in the United States. In 1983, scientists discovered the virus that causes AIDS. The virus was at first named HTLV-III/LAV (human T-cell lymphotropic virus-type III/lymphadenopathy-associated virus) by an international scientific committee.This name was later changed to HIV (human immunodeficiency virus).ormal tracking (surveillance) of AIDS cases began that year in the United States. In 1983, scientists discovered the virus that causes AIDS. The virus was at first named HTLV-III/LAV (human T-cell lymphotropic virus-type III/lymphadenopathy-associated virus) by an international scientific committee.
What Are HIV and AIDS? HIV (human immunodeficiency virus) is a virus that most likely mutated decades ago from a virus that infected chimpanzees to one that infects humans. It began to spread beyond the African continent in the late 1970s and is now endemic worldwide.