Hong Kong’s Threat For Regionally Transmitted Chikungunya Continues — Vax-Before-Travel

The Centre for Health Protection (CHP) of the Department of Health lately confirmed a complete of 5 Chikungunya Fever (CF) instances have been recorded in Hong Kong in 2025, all of which had been travel-related.

Additionally, as of August 10, 2025, one possible (native) case of this illness has been recognized.

The CHP says that given the prevalence of a number of imported instances in Hong Kong, there’s a threat of secondary native transmission by way of mosquitoes.

The CHP issued a letter reminding docs to rearrange testing for sufferers presenting signs in keeping with CF, no matter their journey historical past. Testing must also be thought-about for sufferers exhibiting any signs of CF who’ve a journey historical past to affected areas, based mostly on medical judgment. The CHP’s Public Health Laboratory Services Branch is offering free testing to make sure speedy prognosis.

According to the U.S. CDC’s Level 2 – Practice Enhanced Precautions, Travel Health Advisory issued on August 1, 2025, there’s a substantial Chikungunya outbreak in Guangdong Province, China.

Most native and journey instances have been reported in Foshan City, which is situated north of Hong Kong.

The CDC writes, ‘You can defend your self by stopping mosquito bites, which incorporates utilizing insect repellent; carrying long-sleeved shirts and pants; and staying in locations with air con or which have screens on the home windows and doorways.’

Additionally, vaccination is really useful for vacationers who’re visiting an space with a chikungunya outbreak. Two chikungunya vaccines are authorised to be used within the United States and can be found at journey vaccine retailers.

At current, there isn’t a regionally registered Chikungunya vaccine accessible in Hong Kong.