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目的调查深圳市松岗街道内某公司诺如病毒感染性腹泻暴发原因及处理对策。方法采用现场流行病学调查分析和实验室检测方法。结果 2009年9月21日—10月3日,该公司总发病258例,临床诊断病例248例,实验室确诊病例10例;男168例,女90例;厨房、各厂房、各宿舍均有发病。全厂罹患率为1.81%,男女罹患率分别为2.13%和1.33%,无住院病例,无死亡病例。厂务部和厨房员工罹患率较高,分别为50.00%、24.64%;45岁~组罹患率最高,为26.67%。在病人粪便、直饮水水源中检测到诺如病毒抗原。结论该次疫情为一起水源性诺如病毒感染性腹泻暴发。建议市政自来水公司直接提供一切生活饮用水。
Objective To investigate the cause and treatment of norovirus infectious diarrhea in a company in Songgang, Shenzhen. Methods Epidemiological investigation and laboratory testing methods were used. Results From September 21, 2009 to October 3, 2009, the company had a total of 258 cases, including 248 clinically diagnosed cases, 10 laboratory diagnosed cases, 168 males and 90 females. The kitchen, factory buildings and dormitories all had Disease. The whole plant attack rate was 1.81%, the incidence of men and women were 2.13% and 1.33%, no hospitalized cases, no deaths. The prevalence rate of the factory department and the kitchen staff was higher, accounting for 50.00% and 24.64% respectively; the highest attack rate was 26.67% in the 45-year-old group. Norovirus antigens were detected in the patient’s feces and drinking water. Conclusion The outbreak was an outbreak of waterborne Norovirus-infected diarrhea. Proposed municipal water company to provide all the direct drinking water.