1981年6月5日,美国医生在《死亡与发病率周报》上首次报告,洛杉矶的5名男同性恋者因感染上一种新的奇怪的致命性疾病而死亡。美国疾病控制和预防中心后来确认,这就是世界上首批艾滋病患者。当时的科学家曾预言:一种新的重大疾病将在全球出现,并对人类产生严重威胁。艾滋病的医学名被科学家称为是“获得性 On June 5, 1981, U.S. doctors first reported in the weekly “Death and Incidence Weekly,” that five gay men in Los Angeles died as a result of a new strange and fatal disease. The United States Centers for Disease Control and Prevention later confirmed that this is the world’s first AIDS patients. Scientists at the time predicted that a new major disease would emerge globally and pose a serious threat to humans. The medical name of AIDS is what scientists call “acquired.”