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Chikungunya fever

Hong Kong Reports 22 Imported Chikungunya Fever Cases in 2025, Intensifies Prevention and Control Measures

Strategic Insights

— 1 min read

Hong Kong has recorded a total of 22 confirmed chikungunya fever (CF) cases so far this year, all of which are imported cases. The FEHD is conducting vector investigations and targeted mosquito control operations, and intensifying mosquito prevention and control measures at the residences of recently confirmed patients and locations visited after the onset of symptoms. As of August 2025, approximately 317,000 CF cases and 135 CF-related deaths have been reported in 16 countries/territories since the beginning of 2025.

Key Takeaways:

  • Hong Kong has recorded a total of 22 confirmed CF cases so far this year, all of which are imported cases.
  • Approximately 317,000 CF cases and 135 CF-related deaths have been reported in 16 countries/territories since the beginning of 2025, as of August.
  • The FEHD is conducting vector investigations and targeted mosquito control operations, and intensifying mosquito prevention and control measures at the residences of recently confirmed patients and locations visited after the onset of symptoms.
  • All cases of CF in Guangdong province have been mild, with no severe or fatal cases reported.
  • CF outbreaks currently occur in many countries worldwide.
  • Members of the public are advised to check the situation of the destinations before traveling abroad.
  • The FEHD has implemented various measures to prevent and control mosquito-borne diseases, including intensive fogging, inspections, and public education efforts.
  • Schools are urged to follow the FEHD's anti-mosquito guidelines to strengthen efforts to clear stagnant water and eliminate mosquito breeding sites.

Statistics:

  • 22 confirmed CF cases in Hong Kong so far this year.
  • 317,000 CF cases reported in 16 countries/territories since the beginning of 2025, as of August.
  • 135 CF-related deaths reported in 16 countries/territories since the beginning of 2025, as of August.
  • 2,771 new CF cases reported in Guangdong province in the past week (September 14 to 20).
  • 2,583 CF cases recorded in Jiangmen, Guangdong province, in the past week (September 14 to 20).
  • 201 CF cases reported in Guangdong province in the previous two weeks (September 7 to 13 and August 31 to September 6).

Sources:

  • Hong Kong SAR Government
  • Centre for Health Protection (CHP) of the Department of Health
  • Food and Environmental Hygiene Department (FEHD)
  • Guangdong Provincial Disease Control and Prevention Administration
  • World Health Organization (WHO)
  • European Centre for Disease Prevention and Control (ECDC)

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