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目的通过分析沭阳县1起小学水痘暴发疫情的原因及流行特征,为今后学校水痘爆发疫情防控提供科学的参考依据。方法采用描述性流行病学方法进行分析。结果本次水痘爆发疫情累计发病23例,罹患率为1.39%,疫情历时25 d;病例均集中在2~5年级,首发病例所在班级三(1)班发病最多,发生7例,占30.43%;发病年龄7~11岁,8岁组发病最高(8例),占病例总数的34.78%。男生13例,女生10例,男女比1.3:1。结论首发病例未被及早发现隔离是造成此次小学水痘暴发疫情的主要原因。应加强对学校、托幼机构的疫情报告管理工作,采取切实有效的综合性预防控制措施,控制疫情的传播。
Objective To analyze the causes and epidemic characteristics of chickenpox outbreak in 1 primary school in Shuyang County and provide a scientific reference for future prevention and control of chickenpox outbreak in school. Methods Descriptive epidemiological methods were used for analysis. Results The cumulative incidence of chickenpox outbreak in 23 cases, the attack rate was 1.39%, the outbreak lasted 25 days; cases were concentrated in the second to fifth grade, the first case where the class three (1) class incidence of the most cases occurred in 7 cases, accounting for 30.43% ; The age of onset was 7 to 11 years old, the highest incidence was in 8 years old group (8 cases), accounting for 34.78% of the total cases. 13 boys, 10 girls, male to female ratio of 1.3: 1. Conclusion The first case was not detected early isolation is the primary cause of the outbreak of primary school chicken pox. The management of epidemic reports in schools and nurseries should be strengthened and effective and comprehensive preventive and control measures should be taken to control the spread of the epidemic.