某残疾福利机构诺如病毒感染及相关因素分析

发布时间：2019-05-07 22:31

【摘要】：目的通过对一起诺如病毒感染性腹泻疫情的调查处置,了解疫情发生发展特点,分析引起暴发的各种因素,探讨控制措施。方法对某残疾人托管中心相关病例开展现场流行病学调查,用荧光PCR法检测病人粪便样本。结果调查共发现患者54例,罹患率为13.78%(54/392),其中托管对象罹患率为18.82%(51/271),工作人员罹患率为2.48%(3/121),两者差异有统计学意义(P0.05)。托管对象中男性发病30例,女性发病21例,男女罹患率差异无统计学意义(P0.05)。病例采样15例经荧光定量RT-PGR检测,结果 14例患者诺如病毒Ⅱ型阳性。通过集中隔离治疗、环境消毒、独立洗涤用品和健康教育等措施,疫情在一个最长潜伏期内得以控制。结论诺如病毒通过多种途径易在集体生活人群中发生,发生疫情及时采取综合控制措施可以避免疫情扩散。
[Abstract]:Aim to investigate and dispose a case of norovirus infectious diarrhea, understand the characteristics of occurrence and development of the epidemic situation, analyze the factors causing the outbreak, and discuss the control measures. Methods Epidemiological investigation was carried out on the related cases in a care center for the disabled. Fluorescent PCR method was used to detect the fecal samples of the patients. Results A total of 54 patients were investigated, and the attack rate was 13.78% (54 / 392), of which 18.82% (51 / 271) were in custody and 2.48% (3 / 121) in staff. The difference was statistically significant (P0.05). There were 30 males and 21 females. There was no significant difference in the incidence rate between males and females (P0.05). 15 cases were detected by fluorescence quantitative RT-PGR. The results showed that 14 cases were positive for norovirus type 鈪，

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