Travel Health Service Year 2025

Current Travel Health News

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.

Detailed information on the latest Dengue fever situation in Hong Kong, as well as neighbouring and overseas countries and areas, can be found at the Centre for Health Protection’s website: https://www.chp.gov.hk/files/pdf/df_imported_cases_and_overseas_figures_eng.pdf

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

For more information on dengue fever, including the latest situation in neighbouring and overseas countries and areas, please visit the Centre for Health Protection’s thematic webpage at https://www.chp.gov.hk/en/features/38847.html

Take precautions against Mpox (also known as monkeypox) when travelling abroad

Mpox (also known as monkeypox) is a zoonotic disease caused by Mpox virus. Often found in tropical forest regions of Central and West Africa. It is mainly transmitted by contact with infected animals, human-to-human transmission is limited. Incubation period is mainly from 6 to 13 days, symptoms are similar with Smallpox infection, but less severe.

Since 6 May 2022, multiple outbreaks wer e reported in Europe and North America countries, and many patient are self-identified as bisexual or men who have sex with men. Travellers planning to travel in these areas should avoid contact with infected person. Travellers returning from these areas shall notify the doctor to seek medical treatment and inform the travel situation if feeling unwell.

For more information on Mpox, including the latest situation in overseas countries or places, please visit the World Health Organization and Hong Kong Centre for Health Protection’s thematic webpages at: https://www.who.int/health-topics/monkeypox#tab=tab_1
https://www.chp.gov.hk/en/features/105683.html

Guam: Pertussis

4 December 2025

Guam has reported 7 confirmed pertussis cases in 2025, with the Department of Public Health and Social Services noting that one recent case resulted from direct contact with a known case earlier in the year.

(Source: Outbreak News Today 2 December 2025)

USA: Measles [Update]

4 December 2025

The measles outbreak in Mohave County and 4 in Upstate South Carolina has grown to 76 cases, with 14 new cases reported, linked to exposures at the Way of Truth Church in Inman and four local schools including Hendrix Elementary, Mabry Middle School, Chapman High School, and Tyger River Elementary School.

(Source: Outbreak News Today 30 November 2025)

Ethiopia: Marburg Virus Disease [Update]

4 December 2025

Ethiopia has reported 13 confirmed Marburg virus disease cases with 8 deaths in the country's first-ever outbreak, with WHO supporting the government-led response.

(Source: Outbreak News Today 1 December 2025)