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检疫传染病天花1979年12月,全球消灭天花验证委员会确认,全世界已经达到消灭天花的目标。这个结论已由1980年5月召开的第33届世界卫生大会正式宣布。这是公共卫生史上前所未有的辉煌成就。天花消灭的定义是指消灭了由天花病毒引起的临床疾病。由于天花是人-人之间传播,未发现动物宿主,且无隐性感染,因此没有临床病人时,即可认为不存在自然天花。在天花监察系统完善的国家,在发生未例天花后,经过2年以上未再发现新病例者,可以认为天花已经消灭。鉴于全球已经消灭天花,而且种痘可能
Small quarantine epidemic In December 1979, the Global Panel on the Elimination of Smallpox confirmed that the world has reached the goal of eliminating smallpox. This conclusion was officially announced by the 33rd World Health Assembly in May 1980. This is a glorious achievement unprecedented in the history of public health. The definition of smallpox elimination refers to the elimination of the clinical disease caused by the variola virus. Since the smallpox is a human-to-human transmission, no animal hosts are found and there is no latent infection, there is no natural smallpox in the absence of clinical patients. In countries where the ceiling-based monitoring system is well established, it can be considered that the smallpox has been eliminated after more than two years of no new cases have occurred after the occurrence of unspecified smallpox. In view of the world has been eliminating smallpox, and vaccination may be