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Ebola and Oropouche outbreaks

Ebola cases continue to be reported in Democratic Republic of Congo 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.

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02 September 2026

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.

Take usual precautions
02 September 2026

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.

Take usual precautions
02 September 2026
USA + Florida

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.

Take usual precautions
02 September 2026
USA

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.

Take usual precautions
01 September 2026
Italy + Palermo

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.

Take usual precautions
01 September 2026
Democratic Republic of the Congo + Ituri
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.

Take extra precautions
01 September 2026
USA

Cyclosporiasis in USA

As of 24 August 2026, 17,180 confirmed locally acquired cyclosporiasis cases, including two deaths have been reported in 48 states and the district of Columbia in the USA. A further 11,844 cases are under investigation.

Take usual precautions
27 August 2026
Sweden + Västernorrland

Measles in Sweden

As of 27 August 2026, a total of 35 measles cases have been reported in Sweden in connection with the Ukult festival which took place between 30 July and 2 August 2026. Please see our Topics in Brief article for further details on measles.

Take usual precautions
27 August 2026
Germany + Frankfurt

Malaria in Germany

As of 27 August 2026, a total of six malaria cases, including two deaths, have been reported from individuals working at Frankfurt Airport. There is no increased risk to the general public. Please see our Topics in Brief article for further details on malaria.

Take usual precautions
27 August 2026
France + Nouvelle-Aquitaine
Occitanie
Provence Alpes-Côte d’Azur

Dengue in France

As of 26 August 2026, five locally acquired cases of dengue have been reported in the Tarn and Herault (both in Occitanie), la Dordogne (Nouvelle-Aquitaine) and Bouches-du-Rhône (Provence-Alpes-Côte d'Azur) departments in France. Please see our Topics in Brief article for further details on dengue.

Take usual precautions
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