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1981年8～9月我县其林工艺厂168人中34人发生病毒性肝炎,罹患率20.24%。其中17例由县医院诊断为急性黄疸型肝炎,17例由县卫生防疫站检出,均在临时建立的肝炎隔离站集中收治。经流行病学调查结果如下:一、34例均确诊为甲型肝炎(甲肝)。抗-(?)AIg M 均阳性,恢复期与病初双份血清比较,抗-HA 效价增长均在4倍以上(用 ELISA 检
From August to September 1981, 34 people in 168 people of its Lin Craft Factory suffered from viral hepatitis with an attack rate of 20.24%. Among them, 17 cases were diagnosed as acute jaundice hepatitis by the county hospital, and 17 cases were detected by the county health and epidemic prevention station. All of them were treated centrally in the temporary hepatitis isolation station. The epidemiological survey results are as follows: First, 34 cases were diagnosed with hepatitis A (hepatitis A). Anti (-) AIg M were positive, convalescent early serum levels compared with double anti-HA titer were more than 4 times (by ELISA