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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.

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20 August 2026

Tick-borne encephalitis in United Kingdom

As of 17 August 2026, there have been ten locally acquired cases, three confirmed and seven probable, of tick-borne encephalitis in the UK. Regions where confirmed and probable cases have been reported are Devon, Hampshire, Outer Hebrides, Scottish Highlands and Yorkshire. The risk is very low for the general population and low for high risk groups (such as those living, working or visiting affected areas, as determined by duration of time spent outside). Please see our Topics in Brief article for further details on tick-borne encephalitis.

Take usual precautions
20 August 2026
France + Occitanie
Île-de-France
Provence Alpes-Côte d’Azur

West Nile virus in France

As of 17 August 2026, 18 autochthonous cases of West Nile virus have been recorded across France in the Provence-Alpes-Côte d'Azur region (Bouches-du-Rhône and Vaucluse departments), Occitanie (the departments of Pyrénées-Orientales, Aude, Haute-Garonne, and Gard), and Île-de-France (the departments of Essonne and Seine-St-Denis).

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Take usual precautions
20 August 2026
France + Nouvelle-Aquitaine
Occitanie

Dengue in France

As of 17 August 2026, four locally acquired cases of dengue have been reported in the Tarn and Herault (both in Occitanie), and Dordogne (Nouvelle-Aquitaine) regions in France. Please see our Topics in Brief article for further details on dengue.

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20 August 2026

West Nile virus in Greece

As of 13 August 2026, 105 cases of locally acquired West Nile virus have been reported in Greece, in 13 areas. Please see our Topics in Brief article for further details on West Nile virus.

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20 August 2026

West Nile virus in Spain

As of 13 August 2026, 42 cases of locally acquired West Nile virus have been reported in Spain, in two areas. Please see our Topics in Brief article for further details on West Nile virus.

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17 August 2026
Albania + Kukës County

Crimean-Congo haemorrhagic fever in Albania

As of 4 August 2026, a case of Crimean-Congo haemorrhagic fever (CCHF) was reported in Tropojë district, Kukës in northern Albania. CCHF cases were last reported in Kukës in 2023. Please see our Topics in Brief article for further details on Crimean-Congo haemorrhagic fever.

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17 August 2026
Netherlands + Utrecht

West Nile virus in Netherlands

As of 17 August 2026, a locally acquired West Nile virus infection was confirmed in a blood donor in the Netherlands. Laboratory testing detected the virus in a donor in Utrecht with no recent travel abroad and who remains well. Locally acquired human West Nile virus infection was last reported in the Netherlands in 2020. Please see our Topics in Brief article for further details on West Nile virus.

Take usual precautions
17 August 2026

Dengue in Sri Lanka

As of 15 August 2026, the National Dengue Control Unit in Sri Lanka has reported a total of 92,011 dengue cases and 68 deaths in 2026. Please see our Topics in Brief article for further details on dengue.

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17 August 2026
USA

Cyclosporiasis in USA

As of 11 August 2026, the Centers for Disease Control and Prevention has reported 13,895 confirmed locally acquired cyclosporiasis cases in the USA since 1 May 2026.

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14 August 2026
Democratic Republic of the Congo + Ituri
North Kivu
South Kivu
Bas-Uele
Tshopo
Haut-Uele

Ebola disease in DRC

As of 14 August 2026, a total of 4,665 confirmed Ebola disease (Bundibugyo virus) cases, and 2,184 deaths, have now been reported across six provinces: 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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