Pulmonary tuberculosis is the chronic respiratory tract infectious disease which causes by the bacillustuberculosis, accounts for above tuberculosis's 80%.
肺结核是由结核杆菌引起的慢性呼吸道传染病，占结核病的80%以上。
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Objective: To investigate the resistance status of Bacillustuberculosis to anti?tuberculosis drugs of fist and second ranks in use, and so as to provide basic data for tuberculosis (TB)prevention .
目的： 了解当前结核病对一线及二线抗结核药物的耐药性及耐多药情况，为结核病防治提供依据。
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The spitting habit became the target of public health authorities after the discovery of the tuberculosisbacillus in 1882 by the German biologist Robert Koch.