Travel Health Service Year 2026

Current Travel Health News

Travel Health News

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

 

USA: Vibrio vulnificus infection [Update]

2 October 2026

The Louisiana Department of Health reports 19 total Vibrio vulnificus infection cases as of September 30, in which 17 cases are due to wound/seawater exposure and the other two are classified as other. In addition, seven deaths have been reported.

The Florida Department of Health reports two additional Vibrio vulnificus cases in the past week from Citrus and Clay counties. No deaths were reported. The total cases and deaths to date are 25 and 5, respectively.

(Source: Outbreak News Today 2 October 2026 – Link 1 & Link 2)

 

France: Chikungunya Fever, West Nile Virus Infection [Update]

2 October 2026

According to Public Health France, as of September 28, 2026, six new autochthonous chikungunya fever cases were reported during the past week. This brings the total local transmission cases of chikungunya to 125.

Concerning West Nile virus infection, 28 additional cases were reported in the past week, bringing the total to 145 autochthonous cases.

(Source: Outbreak News Today 2 October 2026)

 

Hong Kong: Hepatitis E [Update]

2 October 2026

In a follow-up on a post last week, The Centre for Health Protection of the Department of Health, Hong Kong, report investigating a second case of human infection of rat Hepatitis E virus. An 80-year-old female, a family member of a 91-year-old man from last week, lives in the same Residential Care Home for the Elderly in Kowloon City District. Since the two also share a similar exposure history, the CHP prudently arranged for her to undergo a blood test. Upon laboratory testing by the Public Health Laboratory Services Branch under the CHP, her blood sample tested positive for rat HEV.

(Source: Outbreak News Today 2 October 2026)

 

USA: Cryptosporidiosis [Update]

2 October 2026

King County Public Health, USA, reports the following on an investigation into a cryptosporidiosis outbreak in Bothell, WA, a part of the Seattle metropolitan area. Fourteen people reported becoming sick after swimming in the McMenamins pool in Bothell on August 29 or August 30, 2026. They reported symptoms such as nausea, diarrhea, abdominal cramps, and fever.

(Source: Outbreak News Today 2 October 2026)

 

Philippines: Dengue Fever [Update]

2 October 2026

On September 29, 2026, the Provincial Health Office of Agusan del Sur, the Philippines, officially declared a Province-Wide Dengue Fever Outbreak due to the increasing number of dengue cases, hospitalizations, severe cases, and reported deaths in the province. Officials reported 674 in just over seven months, with a surge of cases reported since August.

(Source: Outbreak News Today 1 October 2026)

 

USA: West Nile Virus Infection [Update]

2 October 2026

In 2026 to date, the Los Angeles County Department of Public Health has documented 135 West Nile Virus infections and five deaths. In all of 2025, 22 cases and two deaths were reported in the county. The number of persons infected in the 2026 season is greater than the 5-year average during the same period of time.

(Source: Outbreak News Today 1 October 2026)

 

Philippines: Dengue Fever [Update]

2 October 2026

The Province of Albay, in the Bicol Region of the Philippines, on the southeastern part of the island of Luzon, reported 14 dengue fever deaths between April and August this year, a significant increase compared with 3 deaths reported in 2025.

On September 10, 2026, the Sangguniang Panlalawigan ng Albay approved the declaration of a State of Calamity due to the increasing number of dengue cases (1,785) in the province of Albay. Nationally, 161,925 dengue cases were reported to date in 2026, a 31% decrease from 233,155 cases reported in the same period last year.

(Source: Outbreak News Today 30 September 2026)

 

Italy: West Nile Virus Infection [Update]

2 October 2026

In Italy, since the start of surveillance up to September 23, 2026, 700 confirmed cases of human West Nile Virus infection have been reported, up 43 cases from the week prior. Of these, 368 presented as the neuro-invasive form (including 5 imported cases: 1 from the Maldives, 1 from France, 1 from Belgium, 1 from Greece, and 1 from the Netherlands), 88 were asymptomatic cases identified in blood donors, 239 were cases of fever (1 imported case from Burkina Faso), 4 presented with other symptoms, and 1 was an asymptomatic case.

(Source: Outbreak News Today 30 September 2026)

 

Pakistan: Poliomyelitis [Update]

2 October 2026

Pakistan health authorities report the confirmation of an additional wild poliomyelitis case in Bannu Division, in southern Khyber Pakhtunkhwa. The affected child is a 17-month-old girl from Khandar Khankhel Union Council in Tehsil Domel of Bannu District. This is the fifth polio case of 2026 for Pakistan.

(Source: Outbreak News Today 29 September 2026)

 

Sri Lanka: Dengue Fever [Update]

2 October 2026

As of September 27, Sri Lanka health officials report 100,127 dengue fever cases since the beginning of the year. The cases have been dropping since the peak this July, when nearly 30,000 cases were reported. In September so far, approximately 4600 cases have been reported. 77 deaths have been reported. Gampaha and Colombo districts account for 40% of the cases.

(Source: Outbreak News Today 29 September 2026)

 

Cambodia: Avian Influenza [Update]

2 October 2026

Cambodia health authorities report a confirmed case of avian influenza (H5N1) in a 49-year-old man from Tuol Kruos Village, O'Svay Commune, Trapeang Prasat District, Oddar Meanchey Province on September 27. This is the sixth confirmed H5N1 avian influenza case reported in Cambodia in 2026.

(Source: Outbreak News Today 28 September 2026)

 

USA: Measles [Update]

2 October 2026

Delaware health officials report a measles outbreak in the state. 23 confirmed cases have been reported, all from Kent County. These are the first positive measles cases in more than a decade.

Pennsylvania state health officials report 13 additional confirmed measles cases since Friday, bringing the total in the state to 903. Counties reporting the most cases include Lancaster County (363), Mifflin (106) and Chester (83).

(Source: Outbreak News Today 28 September 2026 and 29 September 2026)