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Take precautions against dengue fever when travelling abroad

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 01/01/2016 *

 

Cumulative reported no.
of cases since 01/01/2016

Source of information and date of report

Australia

1,760

World Health Organization, 18 October 2016

Brazil

1,426,005

World Health Organization, 14 October 2016

Cambodia

1,771

World Health Organization, 18 October 2016

Guangdong

434

Health and Family Planning Commission of Guangdong Province, 25 October 2016

India

51,731

Ministry of Health & Family Welfare, India, 2 October 2016

Japan

293#

National Institute of Infectious Diseases, Japan, 25 October 2016

Lao PDR

4,137

World Health Organization, 18 October 2016

Malaysia

84,774

World Health Organization, 18 October 2016

Mexico

88,875

World Health Organization, 14 October 2016

Philippines

101,401

World Health Organization, 18 October 2016

Singapore

12,413^

Singapore National Environment Agency, 27 October 2016

Sri Lanka

44,171

Ministry of Health, Sri Lanka, 26 October 2016

Taiwan

377”

CDC, ROC (Taiwan), 27 October 2016

Thailand

50,856

Ministry of Public Health, Thailand, 26 October 2016

Vietnam

46,957

World Health Organization, 18 October 2016

Remarks:
* Dengue reporting systems vary by country.
“ Locally-acquired
^ Cumulative cases since 3 January 2016
# Cumulative cases since 4 January 2016.

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.


Peru: Chikungunya fever

So far this year, 233 cases of Chikungunya fever were reported in Peru.

(Source: Center for Infectious Disease Research and Policy 31 October 2016)

 

Costa Rica: Chikungunya fever

So far this year, 3,023 cases of Chikungunya fever were reported in Costa Rica.

(Source: Center for Infectious Disease Research and Policy 31 October 2016)

 

Colombia: Chikungunya fever

So far this year, 19,159 cases of Chikungunya fever were reported in Colombia.

(Source: Center for Infectious Disease Research and Policy 31 October 2016)

 

Liberia: Schistosomiasis

Over 300 cases of schistosomiasis were reported in northern Liberia.

(Source: ProMED-mail 26 October 2016)

 

Nigeria: Lassa fever [Update]

Till October this year, 841 suspected cases of Lassa fever, including 98 deaths, were reported in 28 states across Nigeria, compared with 228 suspected cases with 6 deaths at the same period in 2015.

(Source: ProMED-mail 26 October 2016)

 

India: Japanese Encephalitis [Update]

66 fatal cases of Japanese encephalitis were reported in Odisha, India in 45 days.

(Source: ProMED-mail 26 October 2016)

 

 

Last revision date: 2 November 2016