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目的了解东莞市托幼机构手足口病暴发疫情流行特征,为防控手足口病疫情提供科学依据。方法对东莞市2010-2012年疾病监测信息报告管理系统中报告的托幼机构手足口病暴发疫情资料进行流行病学分析。结果东莞市2010-2012年托幼机构共报告手足口病暴发疫情7起,累计报告病例130例,涉及2 909人,罹患率介于3.26%~6.48%之间。4月为高发月份,3岁及以下儿童占77.69%,疫情持续时间介于7~14 d。首发病例至事件报告的时间间隔和疫情持续时间呈正相关(Spearman相关系数=0.830,P<0.05)。结论 3岁以下托幼儿童是手足口病暴发疫情的重点人群,托幼机构和卫生部门应加强手足口病监测,尽早识别病人,及早报告有利于疫情得到及时地控制。
Objective To understand the prevalence of hand-foot-mouth disease outbreak in kindergartens and nurseries of Dongguan City and provide a scientific basis for prevention and control of hand-foot-mouth disease. Methods Epidemiological data of hand-foot-mouth disease outbreaks in kindergartens and nurseries reported in the Disease Surveillance Information Reporting Management System from 2010 to 2012 in Dongguan City were analyzed. Results From 2010 to 2012, the kindergartens and nurseries reported a total of 7 HFMD outbreaks in 130 cases. A total of 130 reported cases involving 2,909 people with attack rates ranging from 3.26% to 6.48%. April was the high incidence month, children aged 3 and below accounted for 77.69%, the duration of the outbreak ranged from 7 to 14 days. There was a positive correlation between the first case-to-incident reporting interval and the duration of the outbreak (Spearman’s correlation coefficient = 0.830, P <0.05). Conclusions Children under 3 years of age are the key population of hand-foot-mouth disease outbreaks. Nurseries and health departments should strengthen the monitoring of hand-foot-mouth disease and recognize the patients as soon as possible. Early reporting is conducive to the timely control of the epidemic.