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世界卫生组织在4月底宣布结核病为全球性紧急问题.本病在世界许多地方失控,使世界人口的1/3以上受感染.预计在下一个十年有3000万以上的人死于本病.WHO预测到2000年全世界将有9000万以上的病例.在过去20年,人们认为结核病已得到控制,但现在它是世界上单个传染因子引起的死亡的主要原因.WHO将本病的重新出现归因于下列几个因素:疾病控制计划不
The World Health Organization announced at the end of April that tuberculosis is a global emergency that is out of control in more than one third of the world’s population and more than 30 million people are expected to die from this disease in the next decade. It is predicted that there will be more than 90 million cases worldwide by the year 2000. In the past 20 years, it was thought that tuberculosis was under control, but now it is the leading cause of death caused by a single infectious agent in the world. Due to the following factors: Disease control program No