Age-specific Risk of SARS-CoV-2 Reinfection During Omicron Outbreaks, South Korea.
The Pediatric infectious disease journal(2023)
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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关键词
omicron outbreaks,age-specific,sars-cov
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