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目的分析开封市2011年手足口病疫情流行特征,为手足口病防控措施的实施提供依据。方法收集2011年“疾病监测信息报告管理系统”所报告的开封市手足口病资料和实验室病原学检测结果,对其进行分析。结果 2010年共报告开封市手足口病例4 961例,其中重症病例71例,死亡病例2例,4月份发病例数达到高峰;6月份重症病例构成比最高;发病率市所辖区高于县;男女性别发病比例为1.84∶1;病例主要集中在5岁以下年龄组,占病例总数的96.75%,其中1~岁年龄组发病数最多,占病例总数的42.47%;散居儿童最多,占所报告病例总数的86.76%。2011年开封市共发生聚集性病例154起,其中135起发生在农村,19起发生在市区。2011年共检测手足口病标本560例,实验室检测病例中仍以EV71阳性病例所占比例最高,为69.82%。结论开封市2011年手足口病发病水平低于2010年,发病高峰较2010年推迟,EV71仍是流行的优势毒株,聚集性病例主要发生在农村。
Objective To analyze the epidemic characteristics of hand-foot-mouth disease in Kaifeng in 2011, and provide basis for the implementation of prevention and control measures of hand-foot-mouth disease. Methods The data of hand-foot-mouth disease and laboratory etiology in Kaifeng were collected from the 2011 Disease Surveillance Information Report Management System and analyzed. Results A total of 4 961 HFMD cases were reported in Kaifeng City in 2010, of which 71 were severe and 2 were fatal. The number of cases reached a peak in April. The incidence of severe cases in June was the highest, The incidence of male and female sex was 1.84:1. The cases mainly concentrated in the age group of under 5 years old, accounting for 96.75% of the total cases, of which the incidence was the highest in 1 ~ age group, accounting for 42.47% of the total cases; 86.76% of the total number of cases. In 2011, a total of 154 cases of aggregation occurred in Kaifeng City, of which 135 occurred in rural areas and 19 occurred in urban areas. In 2011, a total of 560 cases of hand-foot-mouth disease were detected. The highest proportion of EV71-positive cases was detected in laboratory tests, accounting for 69.82%. Conclusion The incidence of HFMD in Kaifeng City in 2011 was lower than that in 2010, and the peak incidence was postponed compared with that in 2010. EV71 was still the predominant strain of epidemic. The clustering cases mainly occurred in rural areas.