Chiayi City reports first imported dengue fever case with Vietnam travel history
Translated from Chinese, summarized and contextualized by DistantNews.
At a glance
- Chiayi City reported its first imported dengue fever case of the year on July 18, 2026.
- The patient, a Taiwanese man, had recently traveled to Vietnam and developed symptoms including fever and headache.
- Health authorities are conducting control measures and urging the public to take preventive actions against mosquito-borne diseases.
Chiayi City has confirmed its first imported case of dengue fever this year, a Taiwanese man who recently returned from a trip to Vietnam. The patient began experiencing symptoms such as fever, headache, and pain behind the eyes on July 15, and was diagnosed after seeking medical attention on July 16.
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Following the diagnosis, the Chiayi City Department of Health immediately initiated vector control measures around the patient's residence. This included intensified mosquito density surveys and the elimination of breeding sources. On July 20, emergency indoor and outdoor chemical control operations were completed within a 100-meter radius of the patient's home. Relatives who traveled with the patient have been monitored and are reported to be in good health.
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The city health bureau urged residents to remain vigilant, especially given the current high-temperature and humid weather, which is conducive to mosquito breeding. They emphasized the importance of practicing the "inspect, dump, clear, brush" method to remove standing water in containers, wearing light-colored long sleeves and pants when outdoors, using government-approved mosquito repellent, and ensuring window and door screens are intact to prevent mosquito entry and disease transmission.
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Nationwide, as of July 20, Taiwan had recorded 97 confirmed dengue fever cases, with 90 imported and 7 local infections. The health department advised individuals returning from dengue-prevalent areas who develop symptoms like fever, headache, or joint pain to seek medical attention promptly at one of Chiayi City's 41 designated NS1 rapid test clinics and to inform their doctor about their travel history.
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Originally published by Liberty Times in Chinese. Translated, summarized, and contextualized by our editorial team with added local perspective. Read our editorial standards.