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Maximum clade credibility tree generated from BEAST analysis. Node heights are the median values obtained from the BEAST analysis. Outlined dates are the median values predicted by BEAST, with the date range representing a 95% confidence interval for the estimate. The node values represent the credibility of the tree generated by BEAST. The dates shown are for the MRCAs of the O1 EL Tor lineage representing pre-seventh-pandemic and 7PET V. cholerae strains.
