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. 2021 Apr 15:1–9. doi: 10.1017/ice.2021.160

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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. — Number and percentage of reported COVID-19 cases, reported infected healthcare workers and participants to the study per day of symptom onset (or day of testing) and proportion of healthcare workers among all reported infections.

Note. HCW, healthcare worker.