每 年的12月1日是世界艾滋病日(World AIDS Day)。这个节日由世界卫生组织(WHO)于1998年制定,今年是第25个年头。据最新的消息,2007年有大约3320万人携带HIV病毒,210 万死于艾滋病(In 2007, the estimated number of persons living with HIV worldwide was 33.2 million and there were 2.1 million AIDS deaths. Source: US Department of Health and Human Services)。