Nosocomial SARS-CoV-2 Infections and Mortality During Unique COVID-19 Epidemic Waves.

Nishi Dave,Daniel Sjöholm,Pontus Hedberg,Anders Ternhag,Fredrik Granath,Janneke D M Verberk,Anders F Johansson,Suzanne D van der Werff,Pontus Nauclér

JAMA network open（2023）

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摘要

In this matched cohort study, nosocomial SARS-CoV-2 infections were associated with higher 30-day mortality during the early phases of the pandemic and lower mortality during the Omicron variant wave and after the introduction of vaccinations. Mitigation of excess mortality risk from nosocomial transmission should be a strong focus when population immunity is low through implementation of adequate infection prevention and control measures.

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infections,mortality,sars-cov

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