Spondweni virus (SPONV) and Zika virus cause similar diseases in humans. We detected SPONV outside of Africa from a pool of Culex mosquitoes collected in Haiti in 2016. This finding raises questions about the role of SPONV as a human pathogen in Haiti and other Caribbean countries.
Keywords: Culex quinquefasciatus; Haiti; Spondweni virus; Zika virus; flaviviruses; mosquitoes; vector-borne infections; viruses.