Sindrom priobretennogo immunodeficita (SPID) wyzywaetsq wirusom immunodeficita cheloweka (VICh). Istoriq VICh/SPIDa nachalas' primerno w 1969 godu, kogda VICh, weroqtno, popal w SShA cherez odnogo inficirowannogo immigranta iz Gaiti.1 V nachale 1980-h godow wrachi w Los-Andzhelese, N'ü-Jorke i San-Francisko nachali nablüdat' molodyh muzhchin s sarkomoj Kaposhi - rakom, obychno associiruüschimsq s pozhilymi muzhchinami sredizemnomorskoj nacional'nosti.