Dengue and chikungunya in travellers returning to Hong Kong

The Centre for Health Protection (CHP) of the Department of Health in Hong Kong has recorded 101 cases of dengue fever in travellers returning to Hong Kong. Travellers were infected while visiting Indonesia, the Philippines and Thailand. There have been a few cases of locally acquired

So far this year, travellers returning from India and the Philippines have been diagnosed with chikungunya fever.

Visit our Health Library for more information on exposure to and the prevention of Chikungunya Fever and Dengue Fever.

Advice For Travellers

The detection of dengue and chikungunya fever in returning travellers suggest that these diseases are widespread in the countries that were visited. Other reports confirm this. The risk of exposure to these infections will vary from place to place and may be high in many localities.

All travellers to areas where these viruses are active can reduce their risk of exposure by taking all necessary precautions to avoid mosquito bites. Many persons with dengue or chikungunya infections do not seek medical care and are not reported to health authorities. There may be many more cases in the community than the reports indicate.