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韩国首尔严重急性呼吸综合征冠状病毒2传播风险

Risk of Severe Acute Respiratory Syndrome Coronavirus 2 Transmission in Seoul, Korea.

作者信息

Sim Jiwoo, Son Euncheol, Kwon Minsu, Hwang Eun Jin, Lee Young Hwa, Choe Young June

机构信息

Seoul Metropolitan Government, Seoul, Korea.

Department of Pharmacology, University of Ulsan College of Medicine, Seoul, Korea.

出版信息

Infect Chemother. 2024 Jun;56(2):204-212. doi: 10.3947/ic.2022.0167. Epub 2024 Feb 28.

DOI:10.3947/ic.2022.0167
PMID:38527778
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11224030/
Abstract

BACKGROUND

The risk of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) transmission during the endemic phase may vary from that during the previous pandemic phase. We evaluated the risk of infection in a general population with laboratory-confirmed coronavirus disease 2019 (COVID-19) in a community setting in Korea.

MATERIALS AND METHODS

This study included 1,286 individuals who had been in contact with an index COVID-19 case between January 24, 2020, and June 30, 2022. Variables such as age, sex, nationality, place of contact, level of contact, the status of exposed cases, period, and level of mask-wearing were assessed.

RESULTS

Among 1,286 participants, 132 (10.30%) were confirmed to have COVID-19. With increasing age, the risk of the exposed persons contracting COVID-19 from index cases tended to increase ( <0.001), especially for people in their 70s (odds ratio, 1.24; 95% confidence interval, 1.11-1.40; <0.001). We found an increasing trend in the risk of a COVID-19 exposed case becoming a secondary infection case ( <0.001) in long-term care facilities where the attack rate was high.

CONCLUSION

The risk of COVID-19 transmission is high in long-term care facilities where many older adults reside. Intensive management of facilities at risk of infection and strict mask-wearing of confirmed COVID-19 cases are necessary to prevent the risk of COVID-19 infection.

摘要

背景

严重急性呼吸综合征冠状病毒2（SARS-CoV-2）在流行阶段的传播风险可能与之前的大流行阶段有所不同。我们评估了韩国社区环境中实验室确诊的2019冠状病毒病（COVID-19）普通人群的感染风险。

材料与方法

本研究纳入了2020年1月24日至2022年6月30日期间与首例COVID-19病例有接触的1286人。评估了年龄、性别、国籍、接触地点、接触程度、暴露病例状态、时间段和戴口罩程度等变量。

结果

在1286名参与者中，132人（10.30%）被确诊感染COVID-19。随着年龄的增加，暴露人群从首例病例感染COVID-19的风险呈上升趋势（<0.001），尤其是70多岁的人群（优势比，1.24；95%置信区间，1.11-1.40；<0.001）。我们发现在感染率较高的长期护理机构中，COVID-19暴露病例成为二代感染病例的风险呈上升趋势（<0.001）。

结论

在许多老年人居住的长期护理机构中，COVID-19传播风险很高。为防止COVID-19感染风险，有必要对有感染风险的机构进行强化管理，并要求确诊的COVID-19病例严格佩戴口罩。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3262/11224030/e825255110a9/ic-56-204-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3262/11224030/aa8618645040/ic-56-204-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3262/11224030/632b6f975056/ic-56-204-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3262/11224030/e825255110a9/ic-56-204-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3262/11224030/aa8618645040/ic-56-204-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3262/11224030/632b6f975056/ic-56-204-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3262/11224030/e825255110a9/ic-56-204-g003.jpg

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引用本文的文献

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Reply to: SARS-CoV-2 Transmission Rate Depends on Infectivity of the Virus Strain, Closeness of Contact, and the Immune Competence of the Infected Person.回复：严重急性呼吸综合征冠状病毒2传播率取决于病毒株的传染性、接触的密切程度以及感染者的免疫能力。
Infect Chemother. 2024 Sep;56(3):421-422. doi: 10.3947/ic.2024.0082. Epub 2024 Aug 16.

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