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目的分析2009-2015年广元市手足口病的流行特征,了解流行现状,探讨流行趋势,为制定有效的防控策略及措施提供科学依据。方法采取描述流行病学方法分析2009-2015年广元市手足口病监测资料。结果 2009-2015年共报告病例9 864例,年均报告发病率52.90/10万。全年均有发病,流行曲线呈双峰型,4-7月为发病主高峰,11-12月为发病次高峰。5岁以下儿童为高发人群,1~3岁年龄组儿童发病数、发病率均明显高于其他年龄组;各年龄组男性发病率均高于女性,以散居儿童和幼托儿童为主。主城区发病率高于远郊县区。其他肠道病毒和CoxAl6型为手足口病病原优势毒株,其他肠道病毒构成比总体呈逐年上升趋势,逐渐占据主导地位。结论广元市手足口病呈高发流行态势,其发生具有明显的季节、性别、年龄、职业和地区差异,0~5岁为主要发病人群,尤其是1~3岁儿童。
Objective To analyze the epidemiological characteristics of hand-foot-mouth disease in Guangyuan from 2009 to 2015, understand the prevalence, explore epidemic trends and provide a scientific basis for formulating effective prevention and control strategies and measures. Methods Epidemiological methods were used to analyze the monitoring data of HFMD in Guangyuan during 2009-2015. Results A total of 9 864 cases were reported in 2009-2015, with an average annual incidence of 52.90 / 100,000. The incidence of all year round, the prevalence curve was bimodal, 4-7 months for the incidence of the main peak, 11-12 months for the incidence of sub-peak. Children under 5 years of age were high risk groups. The incidence and incidence of children aged 1-3 years old were significantly higher than those of other age groups. The incidence of males in all age groups was higher than that of females, mainly in scattered and preschool children. The prevalence of the main urban areas than the suburbs counties. Other enterovirus and CoxAl6 type of hand-foot-mouth disease pathogenicity of the dominant strains, the composition of other enteroviruses showed an overall upward trend year by year, gradually occupy a dominant position. Conclusion Hand-foot-and-mouth disease in Guangyuan City is endemic, with obvious seasonal, gender, age, occupational and regional differences, and 0-5 years old are the major pathogens, especially 1-3 years old children.