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. 2021 Jul 21:1–7. doi: 10.1017/ice.2021.336

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© The Society for Healthcare Epidemiology of America 2021

This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means subject to acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

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Fig. 1. — Study population and cohort selection process, October 20, 2020–March 1, 2021.

Flow diagram detailing the selection process used to define the final eligible study population of active UC Davis Health (UCDH) employees and students at the Schools of Medicine and Nursing. Absolute numbers are shown for each criterion.