Ebola virus disease in DRC
Health authorities in the Democratic Republic of the Congo have confirmed an outbreak of Ebola virus disease
Mpox outbreak in Africa: clade I mpox virus infection
As of 4 September 2025, the mpox outbreak no longer continues to meet the World Health Organization (WHO) criteria of a public health emergency of international concern (PHEIC)
Mefloquine shortage
Shortage of 250mg mefloquine (Lariam) antimalarial tablets in the United Kingdom (UK) until January 2026
NaTHNaC Telephone Advice Line for health professionals
Due to staff shortages, opening hours for the advice line service have been revised
Changes to country yellow fever certificate requirements
Important reminder to look out for updates to country yellow fever certificate requirements
Chikungunya vaccination information
Chikungunya vaccinations authorised in the UK including updates on recent possible serious adverse events in older people and JCVI advice
Professional Diploma in Travel Health (online), LSTM
The next Professional Diploma in Travel Health run by the Liverpool School of Tropical Medicine, begins on 22 September 2025
Cyclospora travel reminder
Remember – follow good food and water hygiene advice abroad to protect yourself from a parasite called Cyclospora
Invasive meningococcal disease reported in Umrah pilgrims in 2025
If you are planning to visit Saudi Arabia for Umrah in 2025, make sure you are vaccinated
UKHSA publishes travel-associated infections report
Case numbers of selected travel-associated infections reported in England, Wales and Northern Ireland: January to June 2025
Dengue in Ecuador
As of 27 October 2025, a total of 34,755 confirmed dengue cases have been reported in Ecuador for 2025. Please see our Topics in Brief article for further details on dengue.
Dengue in Brazil
As of 27 October 2025, a total of 3,468,229 confirmed dengue cases have been reported in Brazil for 2025. Serotypes DENV-1, DENV-2, DENV-3 and DENV-4 have all been reported. Please see our Topics in Brief article for further details on dengue.
Dengue in Mexico
As of 27 October 2025, a total of 99,508 confirmed dengue cases have been reported in Mexico for 2025. Serotypes DENV-1, DENV-2, DENV-3 and DENV-4 have all been reported. Please see our Topics in Brief article for further details on dengue.
Dengue in Puerto Rico
As of 27 October 2025, a total of 2690 confirmed dengue cases have been reported in Puerto Rico for 2025. Serotypes DENV-1, DENV-2, DENV-3 and DENV-4 have all been reported. Please see our Topics in Brief article for further details on dengue.
Chikungunya in Hong Kong
As of 26 October 2025, health authorities have reported Hong Kong's first locally acquired case of chikungunya (CHIKV). Please see our Topics in Brief article for further details on chikungunya.
Dengue in Cuba
As of 22 September 2025, a total of 6,519 cases of dengue have been reported during 2025. 166 of these cases have been laboratory confirmed. Serotypes DENV3 and DENV4 have been recorded. Please see our Topics in Brief article for further details on dengue.
Dengue in Bangladesh
As of 26 October 2025, a total of 66,423 cases (including 269 deaths) of dengue have been reported in Bangladesh during 2025. Please see our Topics in Brief article for further details on dengue.
Rift Valley fever in Senegal
As of 26 October 2025, Senegal's Ministry of Health has reported 324 confirmed human cases of Rift Valley fever, including 28 deaths. The majority (265 cases) have been reported from Saint-Louis region. Cases have also been reported in Fatick, Louga, Dakar, Kaolack, Thies, Tambacounda and Matam regions. Please see UKHSA guidance on Rift Valley fever for further details.
Mpox in Malaysia
As of 24 October 2025, one confirmed case of mpox clade Ib with no history of recent travel has been reported. This is the first locally acquired case of mpox clade Ib reported in Malaysia. Please see our Topics in Brief article for further details on mpox.
Mpox in Portugal
As of 24 October 2025, one confirmed case of mpox clade Ib with no history of recent travel has been reported. This is the first locally acquired case of mpox clade Ib reported in Portugal. Please see our Topics in Brief article for further details on mpox.



