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1983年3月上旬至4月中旬,山东省荣成市南部八处乡镇发生了以儿童、青少年为主的甲肝暴发,累计发病1.511人,证实为食用了毛蚶所致。现报告如下:1 流行情况1.511个病例,分布8个乡镇,231个村,占村庄总数的83.4%。罹患率在1%以下178个村,占64.26;1%以上45个村占16.25%;2%以上6个村,占2.17%;3%以上2个村,占0.72%。一户2例以上发病少见。发病年龄最小9个月,最大70岁,15岁以下占57.37%,16～29岁占20.65%。男女
From early March to mid-April 1983, an outbreak of hepatitis A, mainly children and adolescents, occurred in eight towns and villages in the south of Rongcheng City in Shandong Province. The cumulative incidence was 1.511, which was confirmed to be caused by the consumption of catfish. The report is as follows: 1 prevalence of 1.511 cases, distribution of 8 townships, 231 villages, accounting for 83.4% of the total number of villages. The attack rate is less than 1% in 178 villages, accounting for 64.26; more than 1% of the 45 villages account for 16.25%; 2% or more 6 villages, accounting for 2.17%; 3% or more 2 villages, accounting for 0.72%. More than 2 cases of a rare disease. The minimum age of onset of 9 months, up to 70 years of age, accounting for 57.37% under 15 years of age, 16 to 29 years of age accounted for 20.65%. men and women