Methods: With serological and molecular techniques, we study chemical property, plasmid, CT gene and drug resistance of sporadic outbreak of vibro cholera in Shenzhen city.

方法：采用血清学和分子生物学相结合的方法，研究深圳地区散发不同血清型霍乱弧菌的生化特性、质粒、肠毒素基因携带和耐药状况。

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Results: The sporadic outbreak of vibrio cholera has some characters: including non toxic strain infection, low detection rate of plasmid and ct gene and increase of drug resistance.

结果：散发性霍乱以无毒株为主，质粒及肠毒素基因的携带率极低，但耐药性有所增加。

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Prior to the present outbreak, Angola was not considered to fall within the geographical “hot zone”, thought to be in central and eastern Africa, for outbreaks and sporadic cases of this rare disease.

在本次暴发之前，未将安哥拉考虑为属于这一罕见疾病暴发和散在病例的地理“热区”。 据认为，它在中部和东部非洲。

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The lag in the revelation of the results is blamed for the outbreak of sporadic violence in some areas.

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