The Hong Kong Centre for Health Protection (CHP) reports investigating the first local case of dengue fever (DF) in Hong Kong this year.
The case involves a 21-year-old male with good past health. He developed a fever, headache, myalgia and a rash on April 12, and sought medical attention at Alice Ho Miu Ling Nethersole Hospital on April 16. He was admitted for treatment and is currently in stable condition. His blood sample tested positive for dengue virus upon laboratory testing.
Initial investigations revealed that the patient lives in Tai Wo Estate in Tai Po and works at a road construction site near Long Yan Road in Penny’s Bay on Lantau Island. He had no travel history during the incubation period (March 29 to April 9). During this period, he mainly stayed in the vicinity of the construction site in Penny’s Bay and his home.
He reported being bitten by mosquitoes recently near his workplace. He did not recall being bitten by mosquitoes in any other places, including Tai Wo Estate in Tai Po. His household contacts and other workers at the same construction site are currently asymptomatic.
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The CHP’s investigation is ongoing and no epidemiological linkage has been found so far between this case and other previously recorded imported DF cases in Hong Kong.
Including the above cases, a total of 13 DF cases have been recorded so far this year. All cases other than the one mentioned above were imported. Last year (2025), 59 DF cases were recorded, all of which were imported. In 2024, 161 DF cases were recorded, including 156 imported cases and five local cases.
