plural of acquired immunodeficiency syndrome

(pathology, dated, 1980s) GRID; Synonym of AIDS (“acquired immune deficiency syndrome”)

plural of simian immunodeficiency virus

(virology) A species of retrovirus that causes persistent infections in several species of African non-human primates.

(virology) A subtype of HIV, not widely recognized outside of Africa, related to viruses found in the sooty mangabey.

(virology) A subtype of HIV, the most common and pathogenic strain of the virus, related to viruses found in chimpanzees and gorillas living in western Africa.