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. 2021 Sep 18;13(9):1872. doi: 10.3390/v13091872

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© 2021 by the authors.

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 (https://creativecommons.org/licenses/by/4.0/).

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VP4 phylogenetic tree of the Zambian P[4] and P[8] strains indicated by black squares along with representative strains. Strain UFS-NGS-MRC-DPRU4749, indicated by a black triangle, is a divergent strain. Phylogenetic analysis was conducted using the maximum likelihood method with bootstrap values of 1000 replicates. The scale at the bottom indicates the number of nucleotide substitutions per site. Percent values of bootstrap values greater than or equal to 70 is indicated on the branch nodes.