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 H1N1 (swine) flu, a new influenza virus, whose outbreak tested the public health systems of the whole world when preventing and controlling the spread of an epidemic.

甲型H1N1(猪)流感这一新型流感病毒的突然爆发是对世界公共卫生系统防治流行病传播的一次考验。

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Objective To analyze the characteristics of an outbreak of epidemic cerebrospinal meningitis in a middle school and assess the effect of control measures.

目的了解学校流行性脑脊髓膜炎(流脑)爆发的特点，评价防制措施的效果。

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BEIJING A new strain of bird flu killed a third person in eastern China, state media reported on Wednesday, reviving fears among the public of an epidemic in a country only a decade removed from a devastating outbreak of severe acute respiratory syndrome.

WSJ: China Bird Flu Cases Fuel Fears of Epidemic

The infections are nonetheless reviving fears among the public of an epidemic a decade after a devastating outbreak of severe acute respiratory syndrome, or SARS, which crippled tourism in China and Hong Kong.

WSJ: Bird Flu Worries Sink Airline Shares