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Respiratory syncytial virus and influenza epidemics disappearance in Korea during the 2020-2021 season of COVID-19

Authors
 Jong-Hun Kim  ;  Yun Ho Roh  ;  Jong Gyun Ahn  ;  Min Young Kim  ;  Kyungmin Huh  ;  Jaehun Jung  ;  Ji-Man Kang 
Citation
 INTERNATIONAL JOURNAL OF INFECTIOUS DISEASES, Vol.110 : 29-35, 2021-07 
Journal Title
INTERNATIONAL JOURNAL OF INFECTIOUS DISEASES
ISSN
 1201-9712 
Issue Date
2021-07
Keywords
COVID-19 ; Influenza ; Respiratory syncytial virus ; South Korea ; non-pharmaceutical intervention
Abstract
Objectives: We investigated whether non-pharmaceutical interventions (NPIs) reduce winter-prevalent respiratory viral infections represented by a respiratory syncytial virus (RSV) and influenza virus (IFV) during the winter in Korea. Methods: The Korean Influenza and Respiratory Virus Monitoring System database was used. From January 2016 through January 2021, the weekly positivity of respiratory viruses and the weekly number of hospitalizations with acute respiratory infections were collected. The NPI period was defined as February 2020-January 2021. We analyzed whether hospitalization and sample positivity by respiratory viruses changed after NPIs. Bayesian structural time-series models and Poisson analyses were used. Data from other countries/regions reporting positive rates of RSV and IFV were also investigated. Results: Compared with the pre-NPI period, the positive rates of RSV and IFV decreased significantly to 19% and 6%, and 23% and 6% of the predicted value. Also, hospitalization significantly decreased to 9% and 8%, and 10% and 5% of the predicted value. The positive rates of IFV in 14 countries during the NPI period were almost 0, whereas sporadic outbreaks of RSV occurred in some countries. Conclusions: No RSV and IFV winter epidemics were observed during the 2020-2021 season in Korea.
Files in This Item:
T202103918.pdf Download
DOI
10.1016/j.ijid.2021.07.005
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Biomedical Systems Informatics (의생명시스템정보학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Pediatrics (소아과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Ji-Man(강지만) ORCID logo https://orcid.org/0000-0002-0678-4964
Roh, Yun Ho(노윤호)
Ahn, Jong Gyun(안종균) ORCID logo https://orcid.org/0000-0001-5748-0015
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/184876
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