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Annual rehospitalization rates due to COVID-19 reinfection in Rio de Janeiro: the role of vaccination and associated factors

2025-09-02 public and global health Title + abstract only
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IntroductionThe COVID-19 pandemic posed significant challenges, including rehospitalization of patients due to SARS-CoV-2 reinfection, particularly in the context of variants of concern and Brazils COVID-19 vaccination campaign. This study aimed to estimate the rate of rehospitalizations due to reinfection in the municipality of Rio de Janeiro (2020-2022), assess the impact of individual vaccination status, and identify factors associated with this outcome. MethodsCohort study including individ...

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