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

Czech Republic: Hepatitis A [Update]

14 August 2025

Czech Republic has reported 1,053 hepatitis A cases in the first 7 months of 2025, the highest number in 15 years, with Prague most affected (370 cases), followed by Central Bohemian Region (181 cases) and Moravian-Silesian Region (113 cases).

(Source: Outbreak News Today 11 August 2025)

USA: Dengue [Update]

14 August 2025

Florida has reported 10 locally transmitted dengue cases in 2025, with 8 cases in Brevard County and 2 in Miami-Dade County, predominantly DENV-3 serotype (7 cases) and one DENV-4 case.

(Source: Outbreak News Today 12 August 2025)

Taiwan: Tularemia

14 August 2025

Taiwan reported its first local tularemia case since 2022, a woman in her 70s from southern Taiwan who presented with fever, weakness, and chills, confirmed through whole genome sequencing.

(Source: Outbreak News Today 12 August 2025)

Taiwan: Brucellosis

14 August 2025

Taiwan reported its first imported brucellosis case in nearly 10 years, a man in his 50s from northern Taiwan who traveled to Xinjiang in April and had contact with sheep and horses.

(Source: Outbreak News Today 12 August 2025)

USA: Pertussis [Update]

14 August 2025

Hawaii has reported 203 pertussis cases as of July 31, 2025, more than double the 84 cases in all of 2024, with highest rates on Kauai, Maui, and Hawaii Island, primarily affecting infants and children.

(Source: Outbreak News Today 13 August 2025)

USA: West Nile Virus [Update]

14 August 2025

Chicago, Illinois has reported 3 human cases of West Nile virus in patients aged 40-80 from the Northwest and South sides, with mosquitoes testing positive at higher rates than usual this year.

(Source: Outbreak News Today 13 August 2025)

China: Chikungunya [Update]

14 August 2025

Shunde District, Foshan City, Guangdong Province reported 55 new confirmed chikungunya cases on August 12, mainly distributed in Lecong Town and Beijiao Town, all classified as mild cases.

(Source: Shunde Health Bureau 13 August 2025)