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

Costa Rica: Yellow Fever

14 October 2025

Costa Rica has confirmed an imported yellow fever case in a 29-year-old unvaccinated American woman who traveled from the Amazon region and entered the country on October 8.

(Source: Outbreak News Today 13 October 2025)

Kazakhstan: Crimean-Congo Hemorrhagic Fever

14 October 2025

Kazakhstan has reported 22 Crimean-Congo hemorrhagic fever cases including 12 laboratory-confirmed in the Kyzylorda region near the Uzbekistan border, with 1,268 people treated for tick bites this year.

(Source: Outbreak News Today 13 October 2025)

Senegal：Rift Valley Fever [Update]

14 October 2025

Senegal has reported 147 confirmed Rift Valley fever cases including 19 deaths, with 137 cases (93%) in the Saint-Louis region and remaining cases in Louga (4), Matam (5), and Fatick (1).

(Source: Outbreak News Today 12 October 2025)

Spain: Mpox

14 October 2025

Spain has reported a Clade Ib mpox case in Madrid involving a 49-year-old male with no recent travel history who is now isolated at home in stable condition.

(Source: Outbreak News Today 12 October 2025)

Brazil: Dengue Fever and Chikungunya Fever [Update]

14 October 2025

Brazil's Mato Grosso do Sul state has reported 13,438 probable dengue cases with 8,172 confirmed and 18 deaths, affecting municipalities including Dois Irmãos do Buriti, Vicentina, and Naviraí.

It has reported 13,552 probable chikungunya cases with 7,430 confirmed and 16 deaths, including 73 cases in pregnant women.

(Source: Outbreak News Today 12 October 2025)

USA: Cyclosporiasis [Update]

14 October 2025

United States has reported 990 cyclosporiasis cases across 37 states as of September 16, with most cases in New York, Texas, and North Carolina, resulting in 93 hospitalizations and no deaths.

(Source: Outbreak News Today 11 October 2025)

Mexico: Measles [Update]

14 October 2025

Mexico has reported 4,879 confirmed measles cases and 22 deaths across 25 states and 112 municipalities, with Chihuahua state most affected (4,380 cases) and the 0-4 age group most impacted (1,218 cases).

(Source: Outbreak News Today 11 October 2025)

Sweden: Listeriosis [Update]

14 October 2025

Stockholm, Sweden has reported 15 confirmed listeriosis cases linked to a restaurant in central Stockholm, with outbreak dates spanning September 23-27 and recent cases continuing into early October.

(Source: Outbreak News Today 11 October 2025)

Spain: Measles

14 October 2025

Spain has reported 8 confirmed measles cases in the Garraf region of Catalonia (ages 7-44), with 6 unvaccinated and 3 hospitalized; Catalonia has seen 71 total cases in 2025, a 110% increase from 2024.

(Source: Outbreak News Today 10 October 2025)

USA: West Nile Virus Infection [Update]

14 October 2025

Missouri has reported 16 human West Nile virus cases in 2025 with 15 hospitalizations and 3 deaths; nationally, the United States has recorded 1,433 cases across 42 states, with Colorado (241 cases) and Illinois (105 cases) most affected.

(Source: Outbreak News Today 10 October 2025)