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福州市本是病毒性肝炎高发区,1984年3至4月在市区发生了甲型肝炎暴发流行。郊区及各县疫情平稳。为探讨这次流行特点,我们进行了下列各项调查。材料与方法 (一)流行病学调查资料采自2月下旬至5月下旬肝炎病例4,212例个案调查表,统计市区及郊区和各县之罹患率。并将全部病例按区按日分布制图比较,分析其流行特征。 (二)对病因分析调查了水源水质,有关医院排出污水的微生物学指标,可凝
Fuzhou City, this is a high incidence of viral hepatitis, from March to April 1984 in urban areas occurred in a hepatitis A outbreak. Suburban and county outbreaks were stable. To explore this popular feature, we conducted the following surveys. Materials and Methods (I) Epidemiological survey data were collected from 4,212 cases of hepatitis in late Feb. to late May. The prevalence rate of urban and suburban areas and counties was calculated. All cases were compared by district distribution map, analysis of its epidemiological characteristics. (B) of the cause analysis of the water quality survey, the hospital discharge of microbiological indicators of sewage can be condensable