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Ebola, mpox and Oropouche outbreaks

An Ebola virus disease outbreak has been reported in Uganda and 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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25 April 2025
Brazil + Minas Gerais
Pará
São Paulo

Yellow Fever in Brazil

Between 1 January and 24 April 2025, 102 confirmed cases of yellow fever and 41 deaths have been reported from four states in Brazil. Please see our Topics in Brief article for further details on yellow fever

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25 April 2025

Dengue in French Polynesia

Between 27 November 2023 and 13 April 2025, a total of 1,721 (of which 1,551 confirmed) cases of dengue have been reported. Cases have been reported from the majority of the archipelago. Please see our Topics in Brief article for further details on dengue.

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25 April 2025

Yellow Fever in Peru

Between 1 January and 24 April 2025, 32 confirmed cases of yellow fever and 11 deaths have been reported from Peru. Please see our Topics in Brief article for further details on yellow fever.

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25 April 2025

Oropouche virus disease in Panama

As of 23 April 2025, a total of 286 cases of Oropouche virus disease have been reported in Panama. Please see our Topics in Brief article for further details on Oropouche virus disease.

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25 April 2025

Mpox in China

As of 16 April 2025, a second clade Ia mpox case was reported in China. This case had a history of travel to Democratic Republic of Congo. A total of seven clade Ib mpox cases have also been reported from China in 2025. Please see our Topics in Brief article for further details on mpox.

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24 April 2025

Mpox in Malawi

As of 20 April 2025, three cases of mpox clade Ib have been reported in Malawi by the World Health Organization. Community transmission has been reported. Please see our Topics in Brief article for further details on mpox.

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24 April 2025

Chikungunya in Réunion

As of 23 April 2025, a total of 39,532 chikungunya cases (including 9 deaths) have been reported on the island since the start of 2025. The outbreak is ongoing and widespread throughout Réunion and health officials have reported a new upward trend in cases. Please see our Topics in Brief article for further details on chikungunya.

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23 April 2025

Oropouche virus disease in Brazil

As of 23 April 2025, a total of 8,901 confirmed cases of Oropouche virus disease, with one death currently under investigation, have been reported in Brazil during 2025. Please see our Topics in Brief article for further details on Oropouche virus disease.

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22 April 2025
Mexico + Durango

Influenza A(H5N1) in Mexico

On 2 April 2025, the World Health Organization were notified of a laboratory-confirmed human infection with an avian influenza A(H5N1) virus in the state of Durango. This case represents the second reported human infection with avian influenza A(H5) in Mexico, and the first confirmed case of infection with an influenza A(H5N1) virus in the country. Please see our Topics in Brief article for further details on avian influenza.

Take usual precautions
22 April 2025

Influenza A(H5N1) in Vietnam

On 18 April 2025, the Ho Chi Minh City Department of Health in Vietnam reported a case of encephalitis in an 8 year old child caused by avian influenza A(H5N1). The case is currently isolated and being treated in intensive care. Please see our Topics in Brief article for further details on avian influenza.

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