Age-specific Risk of SARS-CoV-2 Reinfection During Omicron Outbreaks, South Korea.

Eun Jung Jang,Young June Choe,Go-Woon Yun,Ryu Kyung Kim, Sun Kyeng Park,Ju Hee Lee, Kil Hun Lee,Seonju Yi,Sangwon Lee,Young-Joon Park

The Pediatric infectious disease journal（2023）

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摘要

We assessed the risk of reinfection among all residents in South Korea who tested positive for coronavirus disease 2019 from January to August 2022. Children 5-11 years [adjusted hazard ratio (aHR) = 2.20], and 12-17 years old (aHR = 2.00), were at higher risk; whereas 3-dose vaccination (aHR = 0.20) lowered the risk of reinfection.

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omicron outbreaks,age-specific,sars-cov

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