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目的了解昆山市2009～2012年手足口病重症病例的流行病学和病原学特征,掌握疫情变化趋势,为手足口病重症病例防治工作提供科学依据。方法采用描述性流行病学方法对手足口病重症病例进行流行病学特征和病原学检测结果比较分析。结果昆山市2009～2011年共报告重症病例180例,无死亡病例。年均发病率为2.68/10万。报告发病率从2009年的0.48/10万增至2012年的5.13/10万。男女性别比为1.54:1,男性病例多于女性。城区发病率为2.11/10万,乡镇发病率为2.85/10万,乡镇高于城区。重症病例病原阳性检测率为60%,其中EV71、其他肠道病毒和CA16分别占阳性病例的84.26%、10.19%、5.56%。结论 2009～2012年昆山市手足口病疫情持续流行高峰,重症病例持续增加,病原体以EV71为主。加强重点地区和重点人群综合防控措施仍是防控工作的主要策略。
Objective To understand the epidemiological and etiological characteristics of HFMD in Kunshan from 2009 to 2012 and to grasp the trend of epidemic situation so as to provide a scientific basis for the prevention and treatment of severe cases of HFMD. Methods Descriptive epidemiological methods were used to analyze the epidemiological characteristics and pathogenicity of HFMD cases. Results A total of 180 severe cases were reported in Kunshan from 2009 to 2011 with no deaths. The average annual incidence rate of 2.68 / 100000. The reported incidence increased from 0.48 / 100,000 in 2009 to 5.13 / 100,000 in 2012. The sex ratio was 1.54: 1 for males and females and more for males than females. Urban incidence of 2.11 / 100000, the incidence of township 2.85 / 100000, township above town. The positive detection rate of severe cases was 60%, of which EV71, other enteroviruses and CA16 accounted for 84.26%, 10.19% and 5.56% of the positive cases respectively. Conclusion From 2009 to 2012, the outbreak of HFMD in Kunshan City continued its peak. The number of severe cases continued to increase. The main pathogens were EV71. Strengthening comprehensive prevention and control measures in key areas and key populations is still the main strategy for prevention and control work.