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| CHP Graphic |
The onset of summer has brought rising temperatures and increased humidity levels -- favorable conditions for mosquito breeding -- prompting the Centre for Health Protection (CHP) to alert the public against dengue fever (DF) and chikungunya fever (CF).
Hong Kong has recorded 19 DF cases so far this year,
including 18 imported cases and one local case, said the CHP, an agency under the
Department of Health.
A total of 59 DF cases were recorded last year (2025), all
of which were imported cases. In 2024, 161 DF cases were recorded, including
156 imported cases and five local cases.
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During the one-week period from May 15 to May 21, the CHP
recorded two imported DF cases. During the incubation periods, one of the
patients had travelled to Malaysia, while the other patient had been to
multiple countries, namely Kazakhstan, the United Arab Emirates, Saudi Arabia,
Oman and Qatar.
According to the World Health Organization (WHO), the global
incidence of DF has markedly increased over the past two decades, posing a
substantial public health challenge.
In 2024, the WHO recorded over 14 million cases, which was a
record number. From January to July 2025, over 4 million cases and over 3 000
DF-related deaths were reported in 97 countries/territories.
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DF is prevalent in many neighboring tourist destinations. In
2025, Indonesia, India and Vietnam each recorded over 120 000 cases; Malaysia
and Thailand each recorded over 50 000 cases; and Singapore recorded over 4 000
cases.
As of May 10, the Guangdong Provincial Center for Disease
Control and Prevention recorded 97 cases in Guangdong Province this year,
including eight locally infected cases. Guangdong Province recorded over 3 500
locally infected cases in 2025.
Two cases of Chikungunya fever were recorded in Hong Kong so
far this year, both of which were imported cases.
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| Details here |
In contrast, Hong Kong recorded 82 confirmed CF cases last
year. Among them, 11 were local cases, and the rest were imported cases.
Worldwide, a total of 502 264 CF cases and 186 CF-related
deaths have been reported in over 40 countries/territories since the beginning
of 2025. These cases have been reported in the Americas, Africa, Asia, and
Europe.
In Guangdong, four cases were reported this year, including
one locally infected case.
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| Basahin ang detalye! |
The best way to avoid both diseases is to prevent mosquito growth and breeding.
Therefore, the CHP reminded members of the public to
maintain good environmental hygiene, and to take appropriate measures to
prevent mosquito bites and mosquito breeding, both in Hong Kong and when
travelling to areas affected by mosquito-borne diseases.
Whether travelling or not, members of the public should use
DEET-containing insect repellents or other effective active ingredients
properly to prevent mosquito bites.
The Food and Environmental Hygiene Department (FEHD) also
appeals to the public to help carry out mosquito prevention and control
measures early, including inspecting their homes and surroundings to remove
potential breeding grounds, changing water in vases and scrubbing their inner
surfaces, removing water in saucers under potted plants at least once a week,
and properly disposing of containers such as empty cans and lunch boxes.
The public should call 1823 in case of mosquito problems.
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