2012~2019年福州市水痘流行病学特征分析

Analysis on epidemiological characteristics of varicella,Fuzhou city,2012-2019

目的了解福州市水痘流行病学特征,为制定水痘的防控措施和策略提供科学依据。方法采用描述性流行病学分析方法,对2012~2019年福州市水痘疫情资料进行流行病学分析。结果2012~2019年福州市共报告水痘病例6403例,平均发病率为11.05/10万(6403/57951906),各年发病率呈现上升趋势,差异有统计学意义(P<0.05)。水痘发病呈现双峰分布,每年5~7月出现一个小高峰,10月至次年1月出现另一高峰,较上一峰值明显增高。男女性平均发病率分别为12.29/10万(3653/29715628)和9.55/10万(2750/28799184),差异有统计学意义(P<0.05)。结论福州市水痘疫情处于较高水平,发病人群以幼托机构和中小学在校学生为主。

Objective To understand the epidemiological characteristics of varicella in Fuzhou city,so as to provide the scientific reference for developing the prevention and control measures and strategies.Methods The incidence data of varicella in Fuzhou city during 2012-2019 was analyzed statistically by using the descriptive epidemiological method.Results A total of 6403 cases of varicella were reported during 2012-2019,and the average annual incidence of varicella during 2012-2019 was 11.05/105,and the incidence showed an rising trend during the period(P<0.05).The incidence presented obviously bimodal distribution.A small peak appeared in May-July of each year,and another peak appeared in October-January of the following year,which was significantly higher than the previous peak.The average incidences of males and females were 12.29/105(3653/29715628)and 9.55/105(2750/28799184)respectively,and the difference was statistically significant(P<0.05).Conclusion The incidence of varicella shows a high level in Fuzhou city,the cases mainly distribute in kindergartens and primary and secondary school students.