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结核病是由结核分支杆菌引起的传染性疾病 ,在与结核分支杆菌接触中有一半人会被感染 ,已经感染结核菌的人 ,终生都将有成为结核病患者的危险性 ,在结核菌感染者中有 10 %的人会发病[1] 。当前全球 1/3的人已感染了结核病菌 ,每年有 80 0万新发结核病患者 ,有 30 0万人死于结核
Tuberculosis is a contagious disease caused by Mycobacterium tuberculosis. About half of those who have been exposed to Mycobacterium tuberculosis will be infected. Those who have already been infected with TB will have the risk of becoming TB patients throughout their lives. Among TB patients 10% of people will be sick [1]. At present, one third of the world’s people are infected with tuberculosis bacteria, and there are 8.0 million new cases of tuberculosis each year and 30 million people die of tuberculosis