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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Phylogenetic tree based on the RdRp of alpha and betacoronaviruses. Sequences are coloured based on the host species, with original sequences marked according to the farm of detection.