Ebola disease in DRC and Uganda
Case numbers continue to rise in the Democratic Republic of the Congo; this is now the country's largest recorded outbreak and remains a public health emergency of international concern
Updated guidelines for malaria prevention in travellers from the UK
UK Health Security Agency have published updated malaria guidelines for 2026
RCN and NaTHNaC 9th Joint Travel Health Conference 2026
Registration for this event is open and the full programme is now available
NaTHNaC
Royal College of Nursing
Online 
Getting to grips with travellers' diarrhoea
Registration is now open for our next 'Getting to Grips' webinar of 2026, 'Getting to grips with travellers' diarrhoea'
NaTHNaC
Online 
Falsified rabies vaccine: Philippines
Falsified rabies vaccine is circulating through unauthorised sources in Philippines
Updated tick-borne encephalitis (TBE) ‘green book’ chapter published
The TBE chapter of the 'green book' (Immunisation against infectious disease) has been updated
Cyclospora and summer travel
A reminder about Cyclospora infection and how to reduce your risk
Changes to NaTHNaC telephone contact numbers
Our Advice Line and General Enquiries telephone number change has been deferred to Autumn 2026
Japanese encephalitis vaccine out of stock: advice for travellers and health professionals
Important advice on Japanese encephalitis vaccine shortage for health professionals
Yellow fever update
Yellow fever cases continue to be reported in Africa and South America
Puglia
Dengue in Italy
As of 30 August 2026, a total of three confirmed locally acquired dengue cases have been reported during 2026 in the Puglia and Tuscany regions of Italy. Please see our Topics in Brief article for further details on dengue.
Lassa fever in Nigeria
As of 23 August 2026, a total of 1,056 confirmed Lassa fever cases, with 7,580 suspected cases, six probable cases and 253 deaths, have been reported across 24 states in Nigeria for 2026. Please see our Topics in Brief article for further details on Lassa fever.
Occitanie
Île-de-France
Chikungunya in France
As of 30 August 2026, a total of 46 locally acquired chikungunya cases have been reported during 2026 in Tarn, Lot (Occitanie), Gironde (Nouvelle-Aquitaine) and Val-de-Marne (Île-de-France) in France. Please see our Topics in Brief article for further details on chikungunya.
South Holland
Utrecht
North Holland
West Nile virus in Netherlands
As of 2 September 2026, a total of nine locally acquired West Nile virus cases have now been confirmed in the Netherlands for 2026. These infections occurred in North Brabant, North Holland, South Holland and Utrecht provinces. Please see our Topics in Brief article for further details on West Nile virus.
Dengue in Marshall Islands
As of 24 August 2026, Marshall Island's Ministry of Health and Human Services has reported 17 confirmed dengue cases. DENV-1 has been confirmed in circulation. Please see our Topics in Brief article for further details on dengue.
Dengue in Vanuatu
As of 31 August 2026, a total of 112 confirmed dengue cases have been reported in Vanuatu since 14 June 2026. The outbreak remains active, with ongoing local transmission in affected communities across South-West Efate, Shefa Province. The most affected areas continue to be Erakor (31%), Port Vila (22%), Eratap (21%), and Pango (16%). DENV-1 has been confirmed as the circulating serotype. Please see our Topics in Brief article for further details on dengue.
Dengue in USA
As of 22 August 2026, a total of 41 locally acquired dengue cases have been reported in Florida in 2026. Serotypes DENV-2 and DENV-3 have been confirmed. Please see our Topics in Brief article for further details on dengue.
West Nile virus in USA
As of 1 September 2026, a total of 407 human cases of West Nile virus have been reported across 40 states in the United States. Of these, 285 cases were reported to be the neuroinvasive form. The highest number of cases have been reported in Arizona (88 cases), California (66 cases) and Texas (46 cases). Please see our Topics in Brief article for further details on West Nile virus.
Diphtheria in Italy
On 20 August 2026, a fatal case of diphtheria has been confirmed in a child in Palermo, Sicily. A second probable case has been reported in another child who is unwell and is a contact of the first case. A further ten family members are reported to have tested positive, but remain well. Please see our Topics in Brief article for further details on diphtheria.
North Kivu
South Kivu
Bas-Uele
Tshopo
Haut-Uele
Ebola disease in DRC
As of 30 August 2026, a total of 6,100 confirmed cases and 2,950 deatha of Ebola disease (Bundibugyo virus) have been reported in six provinces in Democratic Republic of the Congo; Ituri, North Kivu, South Kivu, Tshopo, Haut-Uele and Bas-Uele. Please see our Topics in Brief article for further details on Ebola disease.
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