The impact of school opening model on SARS-CoV-2 community incidence and mortality
- PMID: 34707317
- DOI: 10.1038/s41591-021-01563-8
The impact of school opening model on SARS-CoV-2 community incidence and mortality
Erratum in
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Author Correction: The impact of school opening model on SARS-CoV-2 community incidence and mortality.Nat Med. 2022 Jan;28(1):212. doi: 10.1038/s41591-021-01669-z. Nat Med. 2022. PMID: 35022576 Free PMC article. No abstract available.
Abstract
The role that traditional and hybrid in-person schooling modes contribute to the community incidence of SARS-CoV-2 infections relative to fully remote schooling is unknown. We conducted an event study using a retrospective nationwide cohort evaluating the effect of school mode on SARS-CoV-2 cases during the 12 weeks after school opening (July-September 2020, before the Delta variant was predominant), stratified by US Census region. After controlling for case rate trends before school start, state-level mitigation measures and community activity level, SARS-CoV-2 incidence rates were not statistically different in counties with in-person learning versus remote school modes in most regions of the United States. In the South, there was a significant and sustained increase in cases per week among counties that opened in a hybrid or traditional mode versus remote, with weekly effects ranging from 9.8 (95% confidence interval (CI) = 2.7-16.1) to 21.3 (95% CI = 9.9-32.7) additional cases per 100,000 persons, driven by increasing cases among 0-9 year olds and adults. Schools can reopen for in-person learning without substantially increasing community case rates of SARS-CoV-2; however, the impacts are variable. Additional studies are needed to elucidate the underlying reasons for the observed regional differences more fully.
© 2021. This is a U.S. government work and not under copyright protection in the U.S.; foreign copyright protection may apply.
Update of
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The Impact of School Opening Model on SARS-CoV-2 Community Incidence and Mortality: A Nationwide Cohort Study.Res Sq [Preprint]. 2021 Jul 15:rs.3.rs-712725. doi: 10.21203/rs.3.rs-712725/v1. Res Sq. 2021. Update in: Nat Med. 2021 Dec;27(12):2120-2126. doi: 10.1038/s41591-021-01563-8. PMID: 34282412 Free PMC article. Updated. Preprint.
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