CDC issues global dengue travel advisory as risk remains year-round

The US Centers for Disease Control and Prevention has issued a Level 1 travel health notice regarding the global risk of dengue, advising travellers to practice usual precautions. The agency classifies this level as an indication that travellers should take standard steps to prevent mosquito bites, rather than avoiding travel or implementing heightened safety measures.

According to the CDC, dengue presents a year-round risk in many parts of the world. The agency notes that outbreaks commonly occur every two to five years in affected areas, highlighting the persistent nature of the virus in endemic regions.

The notice specifically identifies a number of countries and territories where travellers should be vigilant. These include Colombia, Samoa, the Cook Islands, Mali, Vietnam, New Caledonia, Timor-Leste, Guyana, the Maldives, Bolivia, and Tonga.

The advisory serves as a reminder that dengue is a mosquito-borne viral infection that requires consistent preventative measures. The CDC urges anyone travelling to the listed areas to actively prevent mosquito bites to reduce their risk of infection.

This Level 1 notice reflects general risk patterns rather than a response to a specific, acute outbreak requiring a higher alert level. The list of countries represents areas where dengue is a known endemic risk, ensuring travellers are aware of the baseline health considerations for these destinations.