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目的对武汉市某小学校水痘暴发疫情开展调查并提出防控措施。方法采用描述流行病学方法对全校基本情况和患病学生进行深入调查分析。结果此次疫情共发现28例水痘临床诊断病例,罹患率为1.05%。发病有两个高峰期;病例集中在三年级;年龄最小7岁,最大11岁;全校水痘疫苗接种率为70.27%,此次水痘疫情疫苗保护率为45.63%。结论由于早期隔离措施不彻底造成二代病例发生,接种水痘疫苗有一定的保护作用,但是仍有突破病例的发生。
Objective To investigate the outbreak of chickenpox in a primary school in Wuhan and put forward the prevention and control measures. Methods The epidemiological method was used to conduct an in-depth investigation and analysis of the basic situation of the whole school and the sick students. Results A total of 28 cases of varicella were detected in this outbreak. The attack rate was 1.05%. The incidence of two peak; cases concentrated in the third grade; the youngest 7 years old, maximum 11 years old; whole school chickenpox vaccination rate was 70.27%, the vaccination coverage of the vaccine was 45.63%. Conclusions Since the second generation of cases were not completely caused by the early isolation measures, the vaccination with chickenpox had some protective effects, but there were still breakthrough cases.