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. 2021 May 3:1–3. doi: 10.1017/ice.2021.208

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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. — Genetic variant profiles of the sequenced SARS-CoV-2 relative to the Wuhan-Hu-1 reference genome. Clade information based on Nextstrain, Global Initiative on Sharing Avian Influenza Data (GISAID), and Pangolin lineage. Note. RN, registered nurse; NA, nursing assistant, MT, medical technologists; PA, physician’s assistant. Gradient intensity of the bar indicates the reference allele frequency at that position.