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从1927年10月26日纪录最后1例地方性天花病例起,至今已经历了五年多的时间,可以认为使连续存在于人类历史的天花已被消灭。世界卫生组织代表大会在1980年5月曾庄严宣布全世界已经消灭天花,并根据第33条4款的决议,规定了预防再出现天花的主
It has been more than five years since the last case of endemic smallpox was recorded on 26 October 1927. It can be considered that the smallpox that has been continuously present in human history has been eliminated. The World Health Assembly, in May 1980, solemnly declared that the world had eliminated smallpox and, in accordance with the resolution of article 33, paragraph 4, provided for the prevention of re-emerging smallpox