JAMA Network
What The Study Did: In this cross-sectional study of 643 Brazilian municipalities including 18,761 schools, on average, there was no systematic association between school reopening and COVID-19 case rates or mortality in São Paulo State up to 12 weeks after reopening, which was also the case for schools in the most vulnerable conditions.
Authors: Guilherme Lichand, Ph.D., of the University of Zurich, is the corresponding author.
To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/
(doi:10.1001/jamahealthforum.2021.5032)
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