Latin America is experiencing an unprecedented dengue outbreak, causing an increased health burden. We document the cocirculation of dengue viruses 1-4 in Putumayo, a remote, underserved region at the border between Ecuador and Colombia. Dengue circulation in this largely unexplored territory represents a threat to public health in Putumayo and neighboring areas.
Keywords: Amazon; Colombia; DENV; Dengue; Ecuador; Putumayo; serotypes; transmission; vector-borne infections; viruses.