Index Entries

Letter to the Editor: Open Schools, Covid-19, and Child and Teacher Morbidity in Sweden

https://www.nejm.org/doi/10.1056/NEJMc2026670 

Jonas F. Ludvigsson, Lars Engerström, Charlotta Nordenhäll, and Emma Larsson
February 18, 2021
New England Journal of Medicine (NEJM)

© 2021 Massachusetts Medical Society.  All rights reserved.

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aging risk factor,at risk populations,COVID-19,health statistics,risk factors