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1·The objective is to test various biochemistrical characteristics, toxin and drug resistance of the Corynebacterium diphtheriae.

目的是要测试白喉棒状杆菌的各种生物化学特性、毒素和耐药性。

2·To test various biochemistrical characteristics, toxin and drug resistance of the Corynebacterium diphtheriae.

结果：健康人携带的白喉杆菌的培养特性典型均无毒力；