Dengue fever is now endemic in more than 100 countries in Africa, the Americas, the Eastern Mediterranean, Southeast Asia and the Western Pacific. This includes various popular tourist destinations for Hong Kong people including the Philippines, Thailand, Indonesia, Malaysia and Singapore.

Travellers planning to travel in these areas should take precautions against the disease.

Cumulative reported number of dengue cases since 01/01/2017 *

	Cumulative reported no. of cases since 01/01/2017	Source of information and date of report
India	157,220	Ministry of Health & Family Welfare, India, 24 December 2017

Remarks:
* Dengue reporting systems vary by country/area.

Cumulative reported number of dengue cases since 01/01/2018 *

	Cumulative reported no. of cases since 01/01/2018	Source of information and date of report
Australia	117	World Health Organization, 27 February 2018
Brazil	22,580	World Health Organization, 1 March 2018
Cambodia	132	World Health Organization, 27 February 2018
Guangdong	3	Health and Family Planning Commission of Guangdong Province, 15 February 2018
Japan	12	National Institute of Infectious Diseases, Japan, 27 February 2018
Lao PDR	18	World Health Organization, 27 February 2018
Macau	0	Health Bureau of Macau, 24 January 2018
Malaysia	1,200	World Health Organization, 27 February 2018
Mexico	1,941	World Health Organization, 1 March 2018
Philippines	10,980	World Health Organization, 27 February 2018
Singapore	446@	Singapore National Environment Agency, 1 March 2018
Sri Lanka	10,677	Ministry of Health, Sri Lanka, 27 February 2018
Taiwan	0”	CDC, ROC (Taiwan), 1 March 2018
Thailand	2,526	Ministry of Public Health, Thailand, 20 February 2018
Vietnam	8,667	World Health Organization, 27 February 2018

* Dengue reporting systems vary by country/area.
@ Cumulative cases since 31 December 2017.
“ Locally-acquired

Travellers should stay vigilant against dengue fever and adopt the following personal preventive measures against mosquito bite:

* Always wear loose, light-coloured long-sleeved tops and trousers;
* Stay in air-conditioned residence or places with mosquito screens;
* If mosquito screen or air-conditioning is absent, aerosol insecticide and bed nets are advised;
* Use insect repellents containing DEET on exposed skin and clothing;
* Use insect repellents containing DEET apart from applying sunscreen while staying in beaches;
* Re-apply insect repellents according to instructions during the trip;
* Carry a portable bed nets and apply permethrin on it as well as to clothes if travelling to rural areas where dengue fever is prevalent.

Travellers returning from areas where dengue fever is prevalent should seek medical advice as soon as possible if they feel unwell and provide travel details to their doctors.