Current 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
South Korea: Japanese Encephalitis
17 October 2025
The
Korea Disease Control and Prevention Agency requested compliance with preventive measures and vaccination participation by those eligible for vaccination, as the first case of
Japanese encephalitis was confirmed on October 14.
St. Vincent & the Grenadines: Leptospirosis
17 October 2025
For the period January 2025 to October 10, 2025,
St. Vincent and the Grenadines recorded 21 cases and 5 deaths of
Leptospirosis.
Senegal: Rift Valley Fever [Update]
17 October 2025
In a follow-up on the
Rift Valley fever outbreak in
Senegal that started in September, the health ministry reported 25 additional confirmed cases, bringing the total to 196 through October 16.
USA: Measles [Update]
17 October 2025
South Carolina health officials reported five additional
Measles cases, bringing the state total to 16, which includes 12 cases in the ongoing Spartanburg County outbreak.
USA: Chikungunya Fever
17 October 2025
New York state health authorities announced this week that a case of locally acquired
Chikungunya has been confirmed in New York State- the first known indigenous case in the state and the first locally acquired case in the US since 2019.
USA: Dengue Fever [Update]
17 October 2025
The
Los Angeles County Department of Public Health reports investigating the first case of locally acquired
Dengue for the 2025 mosquito season in a resident of the San Gabriel Valley.
USA: Pertussis [Update]
17 October 2025
The Department of Public Health and Social Services received one new laboratory-confirmed
Bordetella pertussis report on October 13, 2025. This is the fourth confirmed
Pertussis case in
Guam for 2025.
Mauritania: Rift Valley Fever [Update]
17 October 2025
The northwest African country of
Mauritania is reporting an alarming rise in
Rift Valley Fever infections, with cases being reported in 13 of the 15 regions of the country.
Vanuatu: Pertussis [Update]
17 October 2025
The
Vanuatu Ministry of Health reports 348 cases of
Pertussis have been reported on Tanna, Efate, Nguna, Erromango and Futuna resulting in 3 infant deaths as of October 8.
Latvia: Leptospirosis
17 October 2025
In 2025, health officials have reported 25 cases of
Leptospirosis in
Latvia through October 13, a six-times increase compared to previous years.
USA: Mpox (monkeypox) [Update]
17 October 2025
The first US case of locally acquired clade 1
Mpox has been reported in Long Beach,
California, according to city and state health authorities.
(Source: CIDRAP 17 October 2025)
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.
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.
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).
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.
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.
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.
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).
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.
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.
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.