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Host shifts result in parallel genetic changes when viruses evolve in closely related species

Fig 2

Viral lineages from the same host species were genetically more similar to each other than to lineages from different host species.

The mean pairwise FST between all possible pairs of viral lineages from the same host species was calculated. The red line shows the observed value. The grey bars are the null distribution of this statistic obtained by permuting the viral lineages across host species 1000 times.

Fig 2