The Centre for Health Protection (CHP) of the Department of Health (DH) confirmed a second local chikungunya fever infection on November 3, involving a 45-year-old man in Tsing Yi, triggering widespread mosquito eradication efforts and screenings across about 1,500 households in affected areas.
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The patient, who lives in Tsing Yi Mount Haven and works in Sheung Wan, has underlying health conditions.
He developed fever, chills, and hand joint pain on October 30, sought private medical help on November 1, and is now stable at Princess Margaret Hospital.
No recent travel history was found, classifying the case as locally acquired.
Albert Au Ka-wing, head of the CHP's Communicable Disease Branch, noted the man had not visited the residence of the first local case in Fung Tak Estate but frequented Sheung Wan’s Shun Tak Centre and Kwai Chung Plaza during the virus's incubation period.
The CHP plans large-scale anti-mosquito operations in Mount Haven, the two commercial spots, and nearby zones to detect any hidden transmissions.
Genetic analysis will compare this strain to prior cases to trace the source.
Authorities had anticipated local spread from imported infections and urge travelers with symptoms to seek prompt care and report details.
A hotline at 2125 2373 launches soon, alongside health stations in impacted areas for assessments and blood tests.
Community care teams will door-knock reminders, with intensified publicity this week and an online health seminar the next day.
Food and Environmental Hygiene Department Pest Control Officer Anita Fok Min-yan stated that inspections at Mount Haven directed property managers to ramp up mosquito prevention, while initial probes began at Kwai Chung Plaza.
Recent mosquito indices in Tsing Yi, Kwai Fong, and Sheung Wan remain low, under 10 percent, indicating limited spread.
Home Affairs Department District Officer (Kwai Tsing) Edric Leung pledged full support, mobilizing local networks to connect with residents, gauge needs, and facilitate center contacts.
Records show Mount Haven had two imported chikungunya cases in August—a father and son returning from Bangladesh—but the gap suggests no direct link, pending genetic confirmation.
Excluding this latest local case, Hong Kong has recorded 54 chikungunya infections this year—52 imported, plus two from Fanling's Fung Tak Estate, involving an 82-year-old resident and a 55-year-old school janitor with a shared origin.
Over 11,000 Fung Tak residents were screened, identifying 40 with mild symptoms; 39 tested negative, and one awaits results.
Surveillance continues there amid ongoing controls.
