COVID-19 大流行对欧洲 2020/21 和 2021/22 季度流感流行的影响

IF 4.3 4区 医学 Q1 INFECTIOUS DISEASES
Mary A. Sinnathamby, Margaux M. I. Meslé, Piers Mook, The European Region Influenza Network Group Authorship, Richard Pebody
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引用次数: 0

摘要

背景 2019 年底出现 SARS-CoV-2 后,欧洲各国纷纷采取公共卫生和社会措施 (PHSM),以减少其传播和对人口的影响。因此,各国报告了流感流行的变化以及常规监测系统的广泛混乱。 方法 我们描述了欧洲第 40/2020 周和第 39/2022 周的流感流行病学,并与 2016/17 至 2019/20 季度进行了比较,以评估 COVID-19 大流行和 PHSM 对监测系统和流感流行的影响。 结果 在季节性流感期间(第40周至第20周),通过初级保健哨点来源观察到的流感检出率较低;2020/21年度检出56例(共检测39457份标本;阳性率为1%),2021/22年度检出7261例(共检测64153份标本;阳性率为11%),而2016/17至2019/20年度平均检出18383例(共检测50544份标本;阳性率为36%)。同样,2020/21 年度和 2021/22 年度通过 SARI 监测源分别报告检测到 11 例(检测了 19989 份标本;阳性率为 1%)和 1488 例(检测了 23636 份标本;阳性率为 6%),而 2016/17 年度至 2019/20 年度平均检测到 2850 例(检测了 10389 份标本;阳性率为 27%)。然而,在 2021/22 年的跨季期间,当公共卫生和社会服务局势趋于缓和时,各类监测点检测到的流感病例出现了异常增加。 结论 总之,研究结果表明,PHSM 措施的限制和放宽与流感检测结果的变化有关。我们对非季节性流感活动的观察结果凸显了综合呼吸道监测策略的重要性,以监测全年流行的呼吸道病毒,为制定最佳防控策略提供依据。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Impact of the COVID-19 Pandemic on Influenza Circulation During the 2020/21 and 2021/22 Seasons, in Europe

Background

The emergence of SARS-CoV-2 in late 2019 saw the implementation of public health and social measures (PHSM) by countries across Europe to reduce its transmission and impact on populations. Consequently, countries reported changes in influenza circulation and extensive disruptions to routine surveillance systems.

Methods

We describe the epidemiology of influenza in Europe between Weeks 40/2020 and 39/2022 compared to the 2016/17 to 2019/20 seasons, to assess the impact of the COVID-19 pandemic and PHSM on surveillance systems and influenza circulation.

Results

Low detections of influenza were observed through primary care sentinel sources during seasonal influenza periods (Week 40 to 20); 56 (of 39,457 specimens tested; < 1% positivity) in 2020/21 and 7261 (of 64,153 specimens tested; 11% positivity) detections in 2021/22 were observed, compared to an average of 18,383 (of 50,544 specimens tested; 36% positivity) detections in 2016/17 to 2019/20. Similarly, 11 (of 19,989 specimens tested; < 1% positivity) and 1488 (of 23,636 specimens tested; 6% positivity) detections were reported through SARI surveillance sources in 2020/21 and 2021/22, respectively, compared to an average of 2850 (of 10,389 specimens tested; 27% positivity) detections in 2016/17 to 2019/20. However, the 2021/22 interseasonal period saw unusual increases in influenza detections across surveillance site types when PHSM were easing.

Conclusion

In conclusion, findings suggest that the restriction and easing of PHSM measures were associated with variations in influenza detections. Our observations of out-of-season influenza activity highlight the importance of an integrated respiratory surveillance strategy to monitor circulating respiratory viruses throughout the year to inform optimal prevention and control strategies.

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来源期刊
CiteScore
7.20
自引率
4.50%
发文量
120
审稿时长
6-12 weeks
期刊介绍: Influenza and Other Respiratory Viruses is the official journal of the International Society of Influenza and Other Respiratory Virus Diseases - an independent scientific professional society - dedicated to promoting the prevention, detection, treatment, and control of influenza and other respiratory virus diseases. Influenza and Other Respiratory Viruses is an Open Access journal. Copyright on any research article published by Influenza and Other Respiratory Viruses is retained by the author(s). Authors grant Wiley a license to publish the article and identify itself as the original publisher. Authors also grant any third party the right to use the article freely as long as its integrity is maintained and its original authors, citation details and publisher are identified.
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