Dengue is a year-round risk in many parts of the world, with outbreaks commonly occurring every 2–5 years. Travelers to risk areas should prevent mosquito bites.

Country List : Colombia, Samoa, Vietnam, New Caledonia (France), Maldives, Bolivia, Tonga, Cambodia, Kenya, Malaysia, Sri Lanka Country List : Colombia, Samoa, Vietnam, New Caledonia (France), Maldives, Bolivia, Tonga, Cambodia, Kenya, Malaysia, Sri Lanka