Additional file 4: Figure S4. of Co-circulation and simultaneous co-infection of dengue, chikungunya, and zika viruses in patients with febrile syndrome at the Colombian-Venezuelan border

Phylogenetic analysis of CHIKV strains circulating in Villa del Rosario. The evolutionary history was deduced using the Neighbor-Joining protocol for Env protein gene, using a fragment of 326 nucleotides. (DOCX 418 kb)