合肥市某电子公司风疹疫情流行病学调查分析

Epidemiological investigation of rubella in an electronic company in Hefei City

目的对一起发生在大型中外合资企业的风疹疫情进行流行病学特征调查,查明疫情发生的原因,对今后可能发生在企业的风疹疫情预防控制工作提出建议。方法采用描述性流行病学研究的方法,对合肥市某电子公司风疹疫情的流行学特征进行描述和分析;实验室采用酶联免疫吸附试验检测风疹Ig M抗体。结果本次疫情持续316 d,共报告风疹病例77例,企业内罹患率为805/10万,实验室风疹Ig M抗体检测阳性率为37.7%。结论该起风疹疫情是一起典型的成人聚集性疫情,人群免疫水平低下、工作场所通风不良、人群流动性大导致的易感性增高,是本次疫情发生的关键。

Objective To investigate the epidemic of rubella in large enterprises and to find out the causes of the disease and to make recommendations for the prevention and control of the disease. Methods The epidemiologieal characteristics of rubella out- break in an electronic company in Hefei were described and analyzed by using the Methods of descriptive epidemiology. Results The epidemic lasted for 316 days, a total of 77 cases were reported, the incidence rate of 8.05/100 000, laboratory test positive rate was 37.7%. Conclusion The rubella epidemic is a typical adult epidemic situation, the low level of immunity, poor venti- lation, the high incidence of human mobility, is the key to the outbreak of the epidemic.