Haiti has year-round mosquito activity, with peak risk during the rainy seasons from April through June and August through November. The entire country carries significant risk, with Port-au-Prince and densely populated urban areas being dengue hotspots. Rural areas have additional malaria exposure. Inadequate sanitation and water infrastructure amplify breeding opportunities.
Dengue fever is the primary urban concern, with moderate activity. Malaria (P. falciparum and P. vivax) remains endemic throughout the country and is a major concern for all travelers. Chikungunya, Zika, and lymphatic filariasis are also present.
Aedes aegypti drives dengue and Zika transmission in populated areas. Anopheles albimanus transmits malaria island-wide. Haiti is one of the few Caribbean nations with persistent malaria, making bed net use and antimalarial prophylaxis important for visitors.
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Explore mosquito risk briefings for other destinations in Central America & Caribbean.
Disease presence data is sourced from WHO, CDC, ECDC, and OpenDengue. This is not medical advice — consult a travel health professional before your trip.