2010-2012年河北省任丘市手足口病流行病学特征分析

目的：调查任丘市2010-2012年手足口病的流行现状以及流行特征。方法收集任丘市疾病预防控制信息系统2010-2012年手足口病疫情资料，统计其流行病学特征。结果3年中任丘市共发生手足口病病例12293例，重症病例数735例，发病数和重症病例数逐年增高，2012年发病数最高，2009年发病数最低（r＝0．47，P＜0．05）；发病有明显季节性，6、7、8月份为高峰；发病以聚集性儿童居多；重症病例发生率5.98％，2012年和2011年均高于2010年（r ＝0．43，0．39，P ＜0．05）；2010年和2011年疫情以肠道病毒CoxA 16为主要病毒株，2012年以EV 71病毒为主。结论任丘市手足口病发病有逐年增长的趋势，并呈季节性变化，以聚集性儿童为主，2010年和2011年以CoxA 16病毒株为主，2012年以EV 71病毒株为主。

Epidemiological analysis of Hand-Foot-Mouth disease in Renqiu city from 2010 to 2012

Objective To analyze the condition and characteristics of hand-foot-mouth disease （ HFMD） from 2010 to 2012 in Renqiu city.Methods Surveillance and detecetion of HFMD was collected according to Renqiu city system for diseases control and prevention .The pathogen of HFMD severe case was deteceted .Results 12 293 cases including 735 severe cases were recorded in Renqiu city from 2010 to 2012,The highest of the resident population was in 2012 and the lowest one was in 2010（r=0.47,P〈0.05）.The total morbidity presented the obvious seasonal char-acteristic,which reached the summit in June ,July,August.The population morbidity was the clustered children .The average incidence rate of severe cases was 5.98%.The incidence rate in 2012 and 2011 was higher than that in 2010 （r=0.43,0.39,all P〈0.05）.There was significant difference of the pathogens types in severe cases among three years with the pathogen of CoxA 16 in 2010,2011 and humantero virus 71 viruses in 2012.Conclusion The inci-dence of HFMD presents the increasing and seasonal characteristics with the prevalence in the scattered children and the pathogens of CoxA16 in 2010,2011,humantero virus 71 in 2012.