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预防医学  2021, Vol. 33 Issue (4): 332-336    DOI: 10.19485/j.cnki.issn2096-5087.2021.04.002
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新型冠状病毒肺炎疫情防控措施对湖州市流行性感冒流行特征的影响
刘艳1, 金玫华2, 沈建勇2, 刘光涛1, 付云2, 杨中荣1, 任飞林1, 徐德顺3
1.湖州市疾病预防控制中心传染病预防控制科,浙江 湖州 313000;
2.湖州市疾病预防控制中心办公室;
3.湖州市疾病预防控制中心微生物检验科
The influence of COVID-19 prevention and control measures on the epidemic of influenza in Huzhou
LIU Yan*, JIN Meihua, SHEN Jianyong, LIU Guangtao, FU Yun, YANG Zhongrong, REN Feilin, XU Deshun
* Department of Infectious Disease Control and Prevention, Huzhou Center for Disease Control and Prevention, Huzhou, Zhejiang 313000, China
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摘要 目的 分析新型冠状病毒肺炎(新冠肺炎)疫情防控措施对2020年湖州市流行性感冒(流感)流行强度和特征的影响,为制订流感防控措施提供参考。方法 通过国家流感哨点监测系统收集湖州市2015—2020年7月流感监测资料,分析流感流行的季节性特征,比较2020年1—7月与2015—2019年各年同期流感样病例百分比(ILI%)和流感病毒核酸阳性率,评价新冠肺炎疫情防控对流感流行特征的影响。结果 2015—2019年湖州市ILI%为3.90%,流感病毒核酸阳性率为15.32%;2020年1—7月ILI%为4.41%,阳性率为12.63%。2015—2019年ILI%分布趋势相似,2020年1月以后,ILI%持续下降。2015—2019年每年12月至次年3月流感病毒核酸阳性率呈流行高峰;2019年12月—2020年1月也达到峰值,2020年1月后迅速下降,3月降为0。ILI%与流感病毒核酸阳性率呈正相关(r=0.682,P<0.05)。2020年1—7月与2015—2019年各年同期相比,ILI%增长率分别为4.75%、-11.27%、0.68%、19.84%和0.92%,其中2020年1月大幅增长,增长率均>57.00%;4—7月明显下降,降幅均超过33.00%。2020年1—7月与2015—2019年各年同期相比,流感病毒核酸阳性率分别下降47.96%、36.53%、3.44%、35.92%和39.37%,其中1月呈大幅增长,增长率均>11.00%;2—3月明显下降,降幅均超过61.00%。结论 2020年1月湖州市实施新冠肺炎疫情防控措施后,哨点医院监测的ILI%和流感病毒核酸阳性率均明显下降。
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刘艳
金玫华
沈建勇
刘光涛
付云
杨中荣
任飞林
徐德顺
关键词 流行性感冒新型冠状病毒肺炎流感样病例防控措施    
AbstractObjective To evaluate the impact of coronavirus disease 2019 ( COVID-19 ) prevention and control measures in Huzhou on influenza epidemic strength and characteristics in 2020, so as to provide reference for formulating influenza prevention measures. Methods Using the influenza surveillance data of the national influenza sentinel surveillance system from January 2015 to July 2020, the seasonal characteristics of influenza epidemic were analyzed, the proportion of influenza-like illness cases ( ILI% ) and the positive rate of influenza virus in January to July of 2020 were compared with those of the same period in 2015-2019, in order to evaluate the impact of COVID-19 prevention and control measures. Results The ILI% and the positive rate of influenza virus in Huzhou were 3.90% and 15.32% during 2015-2019, while were 4.41% and 12.63% from January to July of 2020. The trends of ILI% during 2015-2019 fluctuated similar, but continued to drop since January 2020. The positive rate of influenza virus peaked from December to March in 2015-2019, also peaked from December 2019 to January 2020, but decreased to 0 in March. ILI% was positively correlated with the positive rate of influenza virus ( r=0.682, P<0.05). The growth rates of ILI% from January to July 2020 were 4.75%, -11.27%, 0.68%, 19.84% and 0.92%, compared with the same period of 2015-2019, respectively. The growth rates of ILI% in January 2020 were much higher ( >57.00% ) and from April to July were much lower ( <-33.00% ) . The growth rates of influenza virus positive rate from January to July 2020 were -47.96%, -36.53%, -3.44%, -35.92% and -39.37%, compared to the same period of 2015-2019, respectively. The growth rates of influenza virus positive rate in January 2020 were much higher ( >11.00% ) and from February to March were much lower ( <-61.00% ). Conclusion Since COVID-19 prevention and control measures were implemented in January 2020 in Huzhou, the ILI% and the positive rate of influenza virus in sentinel hospitals decreased significantly.
Key wordsinfluenza    coronavirus disease 2019    influenza-like illness    prevention and control measures
收稿日期: 2020-10-12      出版日期: 2021-04-08
ZTFLH:  R563.1  
  R195  
基金资助:湖州市新冠肺炎应急防治公益性重点项目(2020GZT04)
通信作者: 金玫华,E-mail:huzhoujmh6821@163.com   
作者简介: 刘艳,硕士,主管医师,主要从事传染病预防控制工作
引用本文:   
刘艳, 金玫华, 沈建勇, 刘光涛, 付云, 杨中荣, 任飞林, 徐德顺. 新型冠状病毒肺炎疫情防控措施对湖州市流行性感冒流行特征的影响[J]. 预防医学, 2021, 33(4): 332-336.
LIU Yan, JIN Meihua, SHEN Jianyong, LIU Guangtao, FU Yun, YANG Zhongrong, REN Feilin, XU Deshun. The influence of COVID-19 prevention and control measures on the epidemic of influenza in Huzhou. Preventive Medicine, 2021, 33(4): 332-336.
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http://www.zjyfyxzz.com/CN/10.19485/j.cnki.issn2096-5087.2021.04.002      或      http://www.zjyfyxzz.com/CN/Y2021/V33/I4/332
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