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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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03 August 2026

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.

Take usual precautions
03 August 2026
USA

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.

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31 July 2026

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.

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31 July 2026
USA + Florida

Dengue in USA

As of 28 July 2026, a locally acquired case of dengue has been confirmed in Hillsborough County, Florida. Please see our Topics in Brief article for further details on dengue.

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31 July 2026
Italy + Lombardy

Usutu virus in Italy

As of 28 July 2026, three cases of Usutu virus have been reported in Lombardy, Italy during 2026.

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31 July 2026
Canada + Toronto

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.

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31 July 2026

West Nile virus in Greece

As of 29 July 2026, 42 locally acquired cases of West Nile virus have been reported in eight areas in Greece. Please see our Topics in Brief article for further details on West Nile virus.

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31 July 2026

West Nile virus in Spain

As of 29 July 2026, seven locally acquired cases of West Nile virus have been reported in two areas in Spain. Please see our Topics in Brief article for further details on West Nile virus.

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31 July 2026

West Nile virus in Italy

As of 29 July 2026, 94 locally acquired cases of West Nile virus have been reported in 30 areas in Italy. Please see our Topics in Brief article for further details on West Nile virus.

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30 July 2026
France + Occitanie

Chikungunya in France

As of 27 July 2026, a locally acquired case of chikungunya has been reported in the Tam region, Occitanie. This is the first locally acquired chikungunya case in mainland France in 2026. Please see our Topics in Brief article for further details on chikungunya.

Take usual precautions
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Advice Line for health professionals

020 7383 7474

This number is due to change on 24 August 2026


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