某大学一起新型成人轮状病毒感染调查

An Investigation on an Outbreak of Rotavirus Group B Infection in an University

１９９７年４月某大学二次供水蓄水池被生活污水污染，引起一起新型成人轮状病毒感染暴发，发病１０５９人，污染水源供水区人群感染率为３５．５６％。多数病例有发热（７９．２６％）和胃肠道症状（７７．４０％），临床症状较重。经调查，二次供水蓄水池与污水设施的距离及污水井工程均不符合卫生要求。加强预防性卫生监督是避免事故的根本保证。

An outbreak of 1095 cases of Rotavirus Group B infection was occurred in an university of Hebei Province.It was caused by drinking water contaminated with living sewage.The attack rate in the region that the contaminated drinking water spread to was 35.56%.Most of cases had fever(79.26%) and gastrointestinal symptoms(77.40%).The investigation showed that the quality of the sewer treatment facility and the second water reservoir facility and the distance between these two facilities were not met the sanitary standard.It was suggested that preventive sanitary surveillance should be strenthened.