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Maximum likelihood phylogenetic tree based on the 36 representative genome sequences of murine coronavirus strains. MHV-3, the strain from this study, is highlighted and in bold. The labels include GenBank accession numbers. The asterisks indicate 100% of SH-aLTR/aBayes/ultrafast bootstrap support values. The branch lengths are drawn to scale of nucleotide substitutions per site according to the bar in the figure.
