目的：了解河南省非结核分枝杆菌感染状态。
Objective: To reveal the infection rate of mycobacterium non tuberculosis in Henan.
方法：通过结核菌素皮肤试验对河南省部分中学生的非结核分枝杆菌感染情况进行了观察。
Method:The tuberculin test is carried on with 2u PPD-T and 5u PPD-B injected into the skin of students in the middle school.
目的探讨沿海地区手部非结核分枝杆菌感染的体外培养技术和要领，为临床确诊，治疗提供直接证据。
Objective to explore the in-vivo culturing technique of mycobacteria from special hand infections in laboratory, and to provide the direct evidence for clinical diagnosis.
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