Ebola, Marburg and Oropouche outbreaks
Ebola cases continue to be reported in Democratic Republic of Congo. A case of Marburg virus disease has been reported in Uganda and a multi-country outbreak of Oropouche is ongoing. Keep up to date with the news and outbreak information if you are travelling to affected areas.
Wildfires and industrial fires
Advice for travellers affected by wildfires or industrial fires during their trip
Updated tick-borne encephalitis (TBE) ‘green book’ chapter published
The TBE chapter of the 'green book' (Immunisation against infectious disease) has been updated
Falsified rabies vaccine: Philippines
Falsified rabies vaccine is circulating through unauthorised sources in Philippines
Updated guidelines for malaria prevention in travellers from the UK
UK Health Security Agency have published updated malaria guidelines for 2026
Japanese encephalitis vaccine out of stock: advice for travellers and health professionals
Important advice on Japanese encephalitis vaccine shortage for health professionals
Cyclospora and summer travel
A reminder about Cyclospora infection and how to reduce your risk
Yellow fever update
Yellow fever cases continue to be reported in Africa and South America
UKHSA publishes data on selected travel-associated infections
Case numbers of selected travel-associated infections reported in England, Wales and Northern Ireland: January to June 2026
Updated TravelHealthPro infographics
We have reviewed our travel-specific infographics to ensure they provide clear, up-to-date guidance
Changes to NaTHNaC telephone contact numbers
Our Advice Line and General Enquiries telephone numbers are due to change in August 2026
Chikungunya in Nicaragua
As of 3 August 2026, the US Centers for Disease Control and Prevention (CDC) have reported increased cases of chikungunya in Nicaragua, with most cases in Managua. Please see our Topics in Brief article for further details on chikunguna.
Dengue in USA
On 4 August 2026, the Virginia Department of Health reported a confirmed dengue virus infection in a resident who did not have known travel outside of Virginia prior to disease onset. The case had been in close proximity to a recent internationally acquired dengue case. There is no evidence of continued transmission and no additional reports of locally acquired dengue cases.
Zika in USA ex Fiji
As of 4 August 2026, the US Centers for Disease Control and Prevention (CDC) have reported three laboratory-confirmed Zika virus infections in US travellers for whom Fiji was the only destination visited. The cases were confirmed in May 2025, March and June 2026. Please see our Topics in Brief article for further details on Zika virus.
North Kivu
South Kivu
Tshopo
Haut-Uele
Ebola disease in DRC
As of 2 August 2026, a total of 3,802 confirmed Ebola disease (Bundibugyo virus) cases, and 1,707 confirmed deaths, have now been reported across five provinces: Ituri, North Kivu, South Kivu, Tshopo and Haut-Uele. Please see our Topics in Brief article for further details on Ebola disease.
Dengue in USA
As of 3 August 2026, a locally acquired case of dengue has been confirmed in Florida, Miami-Dade County. Please see our Topics in Brief article for further details on dengue.
Ebola disease in Uganda
On 28 July 2026, the Ministry of Health of Uganda declared the end of the Ebola disease outbreak in Uganda, after 42 days without a new confirmed locally transmitted case. The last confirmed case was discharged on 16 June 2026. Please see our Topics in Brief article for further details on Ebola disease.
Cyclosporiasis in USA
As of 28 July 2026, the Centers for Disease Control and Prevention had received reports of 6,707 laboratory confirmed domestic cases of cyclosporiasis since 1 May 2026. An additional 11,500 cases are under investigation. Many of the additional cases have been reported by Michigan and Ohio.
Chikungunya in Guinea
The first locally acquired case of chikungunya has been confirmed in Guinea. Details are included in a study published on 30th July 2026. Further details on date and location of detection are not yet available. Please see our Topics in Brief article for further details on chikungunya.
Usutu virus in Italy
As of 28 July 2026, three cases of Usutu virus have been reported in Lombardy, Italy during 2026.
West Nile virus in Canada
On 30 July 2026, the first case of West Nile virus during 2026 was reported in Toronto, Canada. Please see our Topics in Brief article for further details on West Nile virus.
The Yellow Fever Zone
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