Methods Questionnaires were used to investigate the knowledge status among the 8 674 subjects including villages physicians,AIDS patients,HIV infected persons and healthy villagers.

• 方法对河南省41个AIDS高发自然村>15岁村民,包括村医、AIDS病人与艾滋病病毒(HIV)感染者、健康村民共8 674人,以问卷形式进行逐项调查和记录。