AIDSis a severe immunodeficiency and autoimmunity disease caused by HIVin human beings.It ruins some areaintheworld.About200macaques were usedtoinvestigatethe pathogenesis of simian AIDS(SAIDS)by means of pathological andim-munological processes.There are some data of SAIDS pathogenesis as bellows:1.Primary SIVinfection in monkeys.When SIVentered into CD4+Tlymphocytes,it replicated and delivered intobloodto be high viremia.Some SIV-CD4+Tlymphocyte went tothe lymphoidtissue.The …