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Allelic distribution of shared CHIKV mutations across viral proteins. (A) Venn diagram showing the number of mutations unique to humans, unique to mosquitoes, and shared between both hosts. (B) Allele frequencies of mutations exclusive to humans (left panel) and mosquitoes (right panel). (C) Allele frequencies of mutations shared between Ae. aegypti- and human-derived CHIKV genomes, shown separately for nonstructural and structural proteins.
