艾滋病是一种病死率极高的严重传染病,目前还没有治愈的药物和方法,但可预防。艾滋病病毒主要存在于感染者的血液、精液、阴道分泌物、乳汁等体液中,所以通过性接触、血液和母婴三种途径传播。绝大多数感染者要经过五到十年时间才发展成病人,一般在发病后的2￣3年内死亡。与艾 AIDS is a serious infectious disease with extremely high fatality rate. There are currently no drugs and methods for cure but they are preventable. HIV mainly exists in the infected person’s blood, semen, vaginal secretions, milk and other body fluids, so through sexual contact, blood and mother and child three ways of transmission. Most infected people take five to ten years to develop into patients, usually within 2 to 3 years after the onset of the disease. With Ai