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. 2021 Jul 14;12:682603. doi: 10.3389/fmicb.2021.682603

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Copyright © 2021 Chazal.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Origin and transmission of coronaviruses. Schematic representation of the origin and transmission of coronaviruses, as well as SARS-CoV-2, between hosts and humans (Mahtarin et al., 2020).