The Hawai'i Department of Health reported a travel-related case of dengue on Oʻahu on Thursday, marking the fifth case in the state this year. The patient contracted the virus abroad. The Hawai‘i Department of Health is conducting mosquito control efforts in the area, and local residents are encouraged to prevent mosquito breeding.
Dengue is not common in Hawai'i and is typically brought by travelers from areas where the virus is more prevalent.Dengue fever is common in areas like Central and South America, Asia, the Middle East, Africa, and some Pacific islands, including Puerto Rico. Last year, there were 16 cases in travelers who visited countries such as Brazil, Mexico, and Thailand.
The Centers for Disease Control and Prevention advises travelers to use Environmental Protection Agency-approved insect repellents, wear protective clothing, and stay in places that reduce mosquito exposure to prevent dengue, as reported by the Hawai‘i Department of Health.The Centers for Disease Control and Prevention recommends that individuals returning from affected areas continue bite-prevention measures for three weeks, as symptoms may develop within two weeks. Symptoms include fever and body aches.
Hawai'i's Vector Control Branch is working to reduce mosquito populations, and homeowners are encouraged to remove standing water to prevent mosquito breeding. For more details, visit the Disease Outbreak Control Division and Vector Control Branch websites, as stated by the Hawai‘i Department of Health..
Health
Hawai‘i Health Officials Confirm Fifth Travel-Related Dengue Case of 2025 on Oʻahu, Public Urged to Take Precautions

Hawai'i reports a fifth travel-related dengue case in 2025; health officials implement mosquito control measures.