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. 2020 Jul 10;15(7):e0236016. doi: 10.1371/journal.pone.0236016

Fig 3. A phylogenetic tree depicting clonal distribution of V. cholerae isolates based on the distribution of virulence genes.

Fig 3

At least five large clones were observed based on the presence or absence of virulence genes. The tree was constructed using the neighbour-joining clustering algorithm.