In an outbreak of 8 cases of Salmonella Newport infection among patients under - going colonoscopy, the epidemic strain was recovered from the spiral-wound spring of.

在一次8名进行肠镜检查的病人感染沙门氏菌的暴发中，流行菌株来自于一对活检钳螺旋状的弹簧而非结肠镜或其它环境细菌。

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The results suggested that natural infection of BDV might occurred in cattle and pigs in Chongqing area, and the epidemic strain might due to the spread of foreign pathogen.

提示，重庆地区牛和猪中可能存在BDV的自然感染，其流行株可能源于外来疫病病原的传入。

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The epidemic strain O/YNGM/97 in China was identified to be foot-and-mouth disease virus(FMDV) type O using serological methods, and its biological and immunological characteristics were stu-died.

利用血清学方法对我国流行毒株O/YNGM/97进行鉴定，并对其生物学特性和免疫学特性进行了研究。

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The deaths were not caused by an epidemic or the new H7N9 bird flu strain, and nearby chemical factories were being investigated, they added.

BBC: China pig and dog deaths prompt probe into factories

Only occasionally, as with the M strain of HIV-1, does the chatter lead to a serious epidemic.

ECONOMIST: Human malaria started in chimpanzees

The H7N9 strain has lead to the usual concerns about the virus causing a deadly influenza epidemic in China.

FORBES: Bird Flu Claims More Lives In Shanghai