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1988年春节,某市城镇发生一起腹泻暴发流行,有2594人发病,患病率为13.6％,经流行病学调查、实验室检验,证实是一起水源性流行性腹泻。 2月16日(除夕),该镇居民腹泻病人增多,20日达到高峰,23日局部停水后,疫情明显下降。病人均有腹泻、腹痛、肠鸣等临床症状,严重者出现腓肠肌痉挛、脱水,经补液、对症治疗病人很快治愈。 采集病区水样,有6份细菌指标超标,细菌总数高达9800个/ml,大肠菌群均大于230个/L,但未检出肠道致病菌。在19份病人粪便中,13份检出成人轮状病毒。
In the spring of 1988, an outbreak of diarrhea occurred in the cities and towns of a certain city, with an incidence of 2594 and a prevalence of 13.6%. Epidemiological investigation and laboratory tests confirmed that it was a waterborne epidemic diarrhea. February 16 (New Year’s Eve), the town residents increased diarrhea, reached a peak on the 20th, local water shortages on the 23rd, the epidemic decreased significantly. Patients have diarrhea, abdominal pain, bowel and other clinical symptoms, severe gastrocnemius spasm, dehydration, rehydration, symptomatic treatment of patients quickly cured. Collection ward water samples, six bacterial indicators exceeded, the total number of bacteria up to 9800 / ml, coliform bacteria were more than 230 / L, but no detection of intestinal pathogens. Of the 19 patient excretions, 13 detected adult rotavirus.