在喀麦隆 COVID-19 大流行之前和期间检测流感病毒

IF 4.3 4区 医学 Q1 INFECTIOUS DISEASES
Gwladys Chavely Monamele, Desmon Toutou Tsafack, Chanceline Ndongo Bilounga, Mohamadou Njankouo Ripa, Christian Nsangou Yogne, Hermann Landry Munshili Njifon, Felix Nkom, Ubald Tamoufe, Linda Esso, Fancioli Koro Koro, Ronald Perraut, Richard Njouom
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引用次数: 0

摘要

背景 流感和严重急性呼吸系统综合征冠状病毒 2(SARS-CoV-2)都是呼吸道病毒,具有相似的临床表现和传播方式。本研究描述了喀麦隆冠状病毒病大流行(COVID-19)之前和期间的流感数据,以及大流行期间的 SARS-CoV-2 数据。 方法 该研究从 2017 年持续到 2022 年,数据分为两个时期:COVID-19 大流行之前(2017-2019 年)和期间(2020-2022 年)。采用美国疾病控制和预防中心(CDC)的分型和亚型检测方法对从呼吸道疾病患者身上采集的鼻咽样本进行流感检测。在 COVID-19 大流行期间,采用达安基因方案或雅培实时 SARS-CoV-2 检测法同时对呼吸道样本进行 SARS-CoV-2 检测。采用世界卫生组织平均曲线法比较流感病毒流行前和流行期间的季节性。 结果 共检测了 6246 个样本。大流行前的流感病毒检出率明显高于大流行期间(30.8% 对 15.5%;p < 0.001)。同时,SARS-CoV-2 的检出率为 2.5%。流感病毒的季节性发生了变化,从流感大流行前的一年两次高峰期变为流感大流行期间的无明显季节性模式。在大流行前和大流行期间,2-4 岁年龄组和 5-14 岁年龄组的流感阳性率都明显较高。就 SARS-CoV-2 而言,所有 15 岁以上年龄组都是受影响最严重的人群。 结论 COVID-19 大流行通过改变病毒的季节性和降低其检出率,对季节性流感产生了重大影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

The Detection of Influenza Virus Before and During the COVID-19 Pandemic in Cameroon

The Detection of Influenza Virus Before and During the COVID-19 Pandemic in Cameroon

Background

Influenza and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are both respiratory viruses with similar clinical manifestations and modes of transmission. This study describes influenza data before and during the coronavirus disease pandemic (COVID-19) in Cameroon and SARS-CoV-2 data during the pandemic period.

Methods

The study ran from 2017 to 2022, and data were divided into two periods: before (2017–2019) and during (2020–2022) the COVID-19 pandemic. Nasopharyngeal samples collected from persons with respiratory illness were tested for influenza using the Centers for Disease Control and Prevention (CDC) typing and subtyping assays. During the COVID-19 pandemic, the respiratory specimens were simultaneously tested for SARS-CoV-2 using the DaAn gene protocol or the Abbott real-time SARS-CoV-2 assay. The WHO average curve method was used to compare influenza virus seasonality before and during the pandemic.

Results

A total of 6246 samples were tested. Influenza virus detection rates were significantly higher in the pre-pandemic period compared to the pandemic period (30.8% vs. 15.5%; p < 0.001). Meanwhile, the SARS-CoV-2 detection rate was 2.5%. A change in the seasonality of influenza viruses was observed from a bi-annual peak before the pandemic to no clear seasonal pattern during the pandemic. The age groups 2–4 and 5–14 years were significantly associated with higher influenza positivity rates in both pre-pandemic and pandemic periods. For SARS-CoV-2, all age groups above 15 years were the most affected population.

Conclusion

The COVID-19 pandemic had a significant impact on the seasonal influenza by changing the seasonality of the virus and reducing its detection rates.

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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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