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目的了解徐州市手足口病流行病学特征,为制定手足口病预防控制策略提供依据。方法对2009—2012年网络直报系统的足口病病例进行流行病学分析。结果 2009—2012年徐州市共报告手足口病16 842例,重症病例112例,死亡4例。不同年度、不同县(区)发病率差异有统计学意义(χ2=3 688.77,P<0.01)。以<5岁儿童发病为主,男童显著高于女童(χ2=1 434.27,P<0.01),发病有明显的季节性,高峰为4—6月,67.52%的病例EV71肠道病毒检测阳性。结论手足口病的发生有明显的季节、年龄、性别等特征,应重点加强≤5岁散居幼儿的预防控制工作,密切关注EV71病毒的毒力变异。
Objective To understand the epidemiological characteristics of hand-foot-mouth disease in Xuzhou and provide evidence for the prevention and control of hand-foot-mouth disease. Methods Epidemiological analysis of foot-mouth disease in 2009-2012 online direct reporting system was conducted. Results A total of 16 842 HFMD cases, 112 severe cases and 4 deaths were reported in Xuzhou from 2009 to 2012. In different years, the incidence of different counties (districts) was statistically significant (χ2 = 3 688.77, P <0.01). Incidence of children aged <5 years was significantly higher than that of girls (χ2 = 1 434.27, P <0.01). The incidence was obviously seasonal and the peak was from April to June. The positive rate of EV71 in 67.52% cases was positive . Conclusion The occurrence of hand, foot and mouth disease is obviously seasonal, age, sex and other characteristics. Emphasis should be placed on strengthening the prevention and control of scattered children less than 5 years old. Pay close attention to the virulence variation of EV71 virus.