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Ebola, Mpox and Oropouche outbreaks

An Ebola outbreak has been reported in Democratic Republic of Congo. Multi-country outbreaks of mpox clade I and Oropouche are ongoing. Keep up to date with these links if you are travelling to affected areas.

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08 September 2025

Chikungunya in Italy

As of 3 September 2025, Italy has now reported a total of 107 locally acquired chikungunya cases in 2025. The highest number of cases (85) is currently reported in Carpi, San Prospero and Soliera. Please see our Topics in Brief article for more details on chikungunya.

Take usual precautions

Dengue in American Samoa

As of 2 September 2025, a total of 81 confirmed dengue cases have been reported in American Samoa since July 2025. Co-circulation of DENV-1 and DENV-2 serotypes have been identified. Please see our Topics in Brief article for further details on dengue.

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05 September 2025

Dengue in Tuvalu

As of 2 September 2025, a total of 131 confirmed dengue cases have been reported in Tuvalu since June 2025. DENV-2 serotype has been identified. Please see our Topics in Brief article for further details on dengue.

Take usual precautions
05 September 2025

Dengue in French Polynesia

As of 2 September 2025, a total of 2,577 dengue cases (2,312 confirmed and 265 probable) have been reported in French Polynesia since November 2023. Please see our Topics in Brief article for further details on dengue.

Take usual precautions
05 September 2025

Dengue in Kiribati

As of 2 September 2025, a total of 446 confirmed and 1,213 suspected dengue cases, with one confirmed death, have been reported in Kiribati since April 2025. Co-circulation of DENV-1 and DENV-2 serotypes have been identified. Please see our Topics in Brief article for further details on dengue.

Take usual precautions

Ebola disease in DRC

On 4 September 2025, health authorities in Democratic Republic of Congo declared an outbreak of Ebola disease in Kasai province with 28 suspected cases and 15 deaths. Samples tested confirmed the cause of the outbreak as Ebola Zaire caused by Ebola virus disease. Please see our Topics in Brief article for further details on Ebola disease.

Take extra precautions
04 September 2025

Chikungunya in France

As of 3 September 2025, a total of 301 locally acquired cases of chikungunya have been reported since the beginning of 2025. Cases have been reported from Provence-Alpes-Côte d'Azur, Corsica, Occitanie, Auvergne-Rhône-Alpes, Grand Est, Bourgogne-Franche-Comté and Nouveille-Aquitaine. Please see our Topics in Brief article for further details on chikungunya.

Take usual precautions
04 September 2025

West Nile virus in France

As of 3 September 2025, 20 locally acquired cases of West Nile virus were reported from France. Cases have been reported from Provence Alpes-Côte d'Azur, Occitanie, and for the first time Île-de-France and Auvergne-Rhône-Alpes. Please see our Topics in Brief article for further details on West Nile virus.

Take usual precautions
03 September 2025

Chikungunya in Singpore

As of 28 August 2025, Singapore has now reported a total of 21 chikungunya cases for 2025. Please see our Topics in Brief article for further details on chikungunya.

Take usual precautions
03 September 2025

Dengue in Bangladesh

As of 2 September 2025, a total of 32,501 dengue cases, and 125 deaths have been reported in Bangladesh since 1 January 2025. Please see our Topics in Brief article for further details on dengue.

Take usual precautions
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