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本文作者对1990～1992年青岛市黄岛区359例病毒性肝炎流行情况进行了回顾性调查统计分析。结果表明:本次流行是自1978年黄岛正式建区以来第二个发病流行周期年(第一次为1981年～1983年),时间间隔6年。这次流行特征,在发病时间除1992年3月份有明显发病高峰,余无明显季节性,其病例分布除局部乡镇、村(单位)一度出现暴发流行趋势外,仍呈散在流行,其流行强度,靠沿海乡镇明显高于内陆乡镇,发病年龄及患病类型以5～15岁中小学生和散居儿童患甲型肝炎为主。造成这次流行的主要因素:易感人群免疫水平低下和外来流动人群增加,自我保健水平差,通过日常生活接触感染。
The author of this retrospective survey of 359 cases of viral hepatitis in Huangdao District of Qingdao City from 1990 to 1992 was conducted. The results showed that this epidemic was the second epidemic cycle since the official establishment of Huangdao in 1978 (the first from 1981 to 1983), with an interval of 6 years. The epidemic characteristics, in addition to the onset of significant morbidity in March 1992, I no obvious seasonal, the case distribution in addition to local towns and villages (unit) outbreak trend once appeared, still scattered in the popular, the prevalence of intensity , By coastal townships was significantly higher than inland towns, age of onset and type of illness to 5 to 15-year-old primary and secondary school children and diarrhea children with hepatitis A-based. The main factors contributing to the epidemic: susceptible population immunocompromised and migrant populations increased, poor self-care, exposure to infection through daily life.