The Hawaii Department of Health has confirmed a new travel-associated case of dengue virus on Oahu, bringing the total number of confirmed cases in the state to 13 for 2024. This includes one case on Kauai, three on Maui, and nine on Oahu. The affected individual had traveled to regions where dengue transmission is known to occur.
In response to the new case, the Department of Health has dispatched teams to conduct inspections and implement mosquito control measures in the impacted areas. The community is encouraged to adopt best practices to help minimize the risk of local transmission.
Dengue virus is transmitted from infected individuals to mosquitoes. While the mosquito species that carry dengue are present in Hawaii, the disease remains uncommon, with current cases only among travelers. Global dengue activity is reportedly above normal in several regions.
Dengue outbreaks are prevalent in various parts of the world, including Central and South America, Asia (notably the Philippines), the Middle East, Africa, and several Pacific Islands. This also includes U.S. territories such as American Samoa and the Federated States of Micronesia, as well as popular Caribbean tourist destinations like Puerto Rico.
Travelers to areas where dengue is endemic are at risk for infection. The Centers for Disease Control and Prevention (CDC) advises individuals to take necessary precautions when visiting these regions. Recommendations include using EPA-registered insect repellent, wearing long-sleeved clothing, and sleeping in air-conditioned rooms or those with screened windows.
With some countries reporting rising case numbers, travelers should consult specific travel information four to six weeks prior to departure for the latest guidelines on dengue risks and prevention. Those returning from dengue-affected areas should take precautions to avoid mosquito bites for three weeks and seek medical attention if symptoms develop within two weeks of their return.
Symptoms of dengue can range from mild to severe, including fever, nausea, vomiting, rash, and body aches. While most cases resolve within a week, severe illness can occur. Individuals experiencing these symptoms after recent travel should consult a healthcare provider.
In areas with suspected or confirmed dengue cases, personnel from the Hawaii Department of Health’s Vector Control conduct inspections and control activities to reduce mosquito populations and limit disease spread. In regions without reported cases, residents are advised to eliminate potential mosquito breeding sites by removing standing water in containers, flower pots, and other areas. Even small amounts of stagnant water can serve as breeding grounds for mosquitoes.
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