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

Sweden: Listeriosis

3 October 2025

Several people have sought care with symptoms of Listeria infection after eating at the same restaurant in Stockholm.

(Source: Outbreak News Today 3 October 2025)

Italy: West Nile Virus Infection [Update]

3 October 2025

Since the beginning of surveillance and through September 24, 680 confirmed cases of West Nile Virus infection in humans have been reported in Italy.

(Source: Outbreak News Today 3 October 2025)

Brazil: Yellow Fever [Update]

3 October 2025

Last week, the Minas Gerais State Health Secretariat was notified by the Virology and Rickettsiosis Service of the Ezequiel Dias Foundation of a detectable molecular biology result for Yellow fever in a sample from a patient residing in the municipality of Patos de Minas.

(Source: Outbreak News Today 3 October 2025)

Iran: Dengue Fever [Update]

3 October 2025

Since March 21, the beginning of the current Iranian year, through September 27, health officials in Iran have reported 497 Dengue fever cases, most in the southern part of the country.

(Source: Outbreak News Today 3 October 2025)

South Africa: Measles

3 October 2025

The National Institute for Communicable Diseases reported 81 additional laboratory-confirmed in the past week, bringing the total Measles cases in South Africa to 1,100 through September 19.

(Source: Outbreak News Today 1 October 2025)

USA: Dengue Fever [Update]

3 October 2025

Florida state health officials reported five additional locally transmitted Dengue fever cases- 2 in Brevard and 3 in Miami-Dade counties- bringing the state total to 45 in 2025 to date.

(Source: Outbreak News Today 1 October 2025)

Taiwan: Dengue Fever [Update]

3 October 2025

The Taiwan Centers for Disease Control announced today that there were 4 new local Dengue fever cases last week (3 cases in Taoyuan City and 1 case in Yilan County).

(Source: Outbreak News Today 1 October 2025)

Japan: Syphilis and Pertussis [Update]

3 October 2025

According to the latest data from the Japan Institute for Health Security, as of September 24, Japan saw 167 additional cases in the past week, bringing the total Syphilis cases year to date as 10,166.

In a follow-up on the Pertussis outbreak Japan, 1168 additional cases were reported during the week ending September 24, bringing the country total 78,009.

(Source: Outbreak News Today 1 October 2025)

Mauritania: Rift Valley Fever

3 October 2025

The Mauritania Ministry of Health reported Thursday on a death from Rift Valley fever in Rosso, a southern town on the border with Senegal.

(Source: Outbreak News Today 30 September 2025)

Pakistan: Poliomyelitis [Update]

3 October 2025

In a follow-up on the wild Poliovirus situation in Pakistan this year, health authorities have reported three additional cases in the past week, bringing the country total to 29.

(Source: Outbreak News Today 30 September 2025)

USA: Anthrax

3 October 2025

The North Dakota Department of Agriculture reports the state’s second reported case of Anthrax this year.

(Source: Outbreak News Today 30 September 2025)

Uruguay: Syphilis

3 October 2025

According to the Uruguay Ministry of Health, in recent years, Syphilis has reappeared in Uruguay, affecting young people, pregnant women, and even newborns.

(Source: Outbreak News Today 29 September 2025)

Democratic Republic of the Congo: Ebola Virus Disease [Update]

3 October 2025

Seven new Ebola virus cases have been reported in the Democratic Republic of Congo’s latest Ebola outbreak.

(Source: CIDRAP 2 October 2025)

USA: Measles [Update]

3 October 2025

In its latest weekly update today, the US Centers for Disease Control and Prevention reported 30 more Measles cases, putting the national total at 1,544, a record high since the United States eliminated the disease in 2000.

(Source: CIDRAP 2 October 2025)