Hong Kong Continues Importing Dengue Cases

According to the World Health Organization, Dengue fever continues to be endemic in Southeast Asia and the Western Pacific in 2025.

This includes popular tourist destinations for Hong Kong people, such as the Philippines, Thailand, Indonesia, Malaysia, Singapore, and in mainland China, such as Guangdong.

As of March 20, 2025, the Centre for Health Protection (CHP) in Hong Kong confirmed international visitors are arriving infected with Dengue. Seven imported Dengue cases have been reported this year, primarily from Indonesia (3).

In 2024, 161 were imported (75 from Mainland China, 19 from Indonesia) and five locally transmitted cases.

In 2023, there were 62 imported cases of Dengue were recorded in Hong Kong.

The CHP writes, 'Members of the public returning from areas affected by DF should apply insect repellent for 14 days upon arrival in Hong Kong. If feeling unwell, seek medical advice promptly and provide travel details to a doctor.'

Hong Kong is a special administrative region of China, with over 7 million residents, and welcomes millions of international visitors yearly.

As of March 24, 2025, Hong Kong and China are not listed in the U.S. CDC's Level 1 - Practice Usual Precautions, Travel Health Advisory regarding the global Dengue outbreak.

Outside of the United States, a second-generation Dengue vaccine is offered in about 40 countries.