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

Philippines: Mpox (monkeypox) [Update]

3 June 2025

In a follow-up on the Mpox situation in Iloilo City, Philippines, the Iloilo City Health Office announced that the city has recorded four confirmed and two suspected cases of Mpox as of June 2, 2025.

(Source: Outbreak News Today 3 June 2025)

Pakistan: Poliomyelitis [Update]

3 June 2025

In Pakistan, the Regional Reference Laboratory for Polio Eradication at the National Institute of Health has confirmed a new case of wild poliovirus in District Diamer, Gilgit-Baltistan.

(Source: Outbreak News Today 3 June 2025)

USA: Zika Virus Infection

3 June 2025

Hawaii state health officials report investigating a confirmed travel-related case of Zika virus along with two individuals who may have been exposed in Oahu.

(Source: Outbreak News Today 2 June 2025)

United Kingdom: Cryptosporidiosis [Update]

3 June 2025

Public Health Wales report eight additional cases of Cryptosporidium have been identified following visits to a Cowbridge farm in March and April 2025.

(Source: Outbreak News Today 2 June 2025)

Bosnia and Herzegovina: Leptospirosis [Update]

3 June 2025

In a follow-up on the Leptospirosis outbreak in the canton of Sarajevo, Bosnia and Herzegovina, declared nearly 10 days ago, the Institute of Public Health now puts the outbreak total to 43 since the first infection was recorded on May 15.

(Source: Outbreak News Today 1 June 2025)

Germany: Gonorrhea

3 June 2025

In March 2025, three cases of Gonorrhea with rare multidrug resistance of the pathogen Neisseria gonorrhoeae were reported to the Robert Koch Institute in Germany.

(Source: Outbreak News Today 31 May 2025)

Reunion: Chikungunya Fever [Update]

3 June 2025

Since the end of April, Réunion health authorities report a phase of epidemic decline, although the virus remains active throughout the island. Confirmed Chikungunya cases have fallen below 2,000 since Week 18, after peaking at over 7,500 in Week 13/2025.

(Source: Outbreak News Today 31 May 2025)

Cambodia: Avian Influenza [Update]

3 June 2025

The Cambodia Ministry of Health reported a case of H5N1 Avian influenza in a 11-year-old boy from Kampong Speu province.

(Source: Outbreak News Today 31 May 2025)

Morocco: Measles [Update]

3 June 2025

In a follow-up on the Measles outbreak in Morocco this year, after reporting a backlog of cases (19,947) since March 1 through May 10, the total measles cases reported since the beginning of the year now stands at 40,033.

(Source: Outbreak News Today 31 May 2025)

Mongolia: Measles

3 June 2025

Mongolia recorded 119 new Measles cases in the past 24 hours, bringing the national total to 3,161, the country's National Center for Communicable Diseases reported on May 25.

(Source: Outbreak News Today 30 May 2025)

USA: Measles [Update]

3 June 2025

The Colorado Department of Public Health and their partners in El Paso and Arapahoe counties have reported three more Measles cases linked to exposure at Denver International Airport and on a Turkish Airlines flight, raising the outbreak total to six.

(Source: CIDRAP 2 June 2025)

USA: Salmonella [Update]

3 June 2025

The US Centers for Disease Control and Prevention said a multistate Salmonella outbreak linked to whole cucumbers has grown from 26 to 45 cases in the past 2 weeks. Three more states are now affected in the outbreak, raising the number of states reporting cases to 18.

(Source: CIDRAP 2 June 2025)