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.
By Dr Ananya Mandal, MD. HIV or Human Immunodeficiency virus is a retrovirus that was first found in 1983. The virus is responsible for causing AIDS (acquired immunodeficiency syndrome). Once within the body the HIV infects cells of the immune system that form the bodyâs defence system and makes them unable to fight off infections.