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Marburg virus disease, Mpox and Oropouche outbreaks

Marburg virus disease has been reported in Ethiopia. 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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12 January 2026

Cholera in Somalia

Between 1 January and 24 December 2025, a total of 8,763 cases of cholera (nine deaths) have been reported in Somalia. Please see our Topics in Brief article for further details on cholera.

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12 January 2026

WPV1 in Pakistan

Wild poliovirus type 1 (WPV1) continues to be reported in Pakistan with 30 human cases recorded during 2025. As of 7 January 2026, 36 WPV1-positive environmental samples were reported from specimens collected in November and December 2025 across the country. Please see our Topics in Brief article for further details on polio.

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12 January 2026

Cholera in Nigeria

Between 1 January and 24 December 2025, a total of 22,196 cases of cholera (505 deaths) have been reported in Nigeria. Please see our Topics in Brief article for further details on cholera.

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12 January 2026

Cholera in Yemen

Between 1 January and 1 December 2025, a total of 92,352 cases of cholera (243 deaths) have been reported in Yemen. Please see our Topics in Brief article for further details on cholera.

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12 January 2026

Cholera in Angola

Between 1 January and 24 December 2025, a total of 36,077 cases of cholera have been reported in Angola. Please see our Topics in Brief article for further details on cholera.

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12 January 2026

Cholera in Myanmar

Between 1 January and 8 December 2025, a total of 2,378 cases of cholera have been reported in Myanmar. Please see our Topics in Brief article for further details on cholera.

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12 January 2026

MERS-CoV in Saudi Arabia

As of 5 January 2026, a total of 17 cases of Middle East respiratory syndrome coronavirus (MERS-CoV) infection have been reported in Saudi Arabia since the start of 2025. The most recent cases, reported between September and December 2025, were from the regions of Makkah, Riyad and Najran. Please see our Topics in Brief article for further details on MERS-CoV.

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12 January 2026
Tanzania + Mwanza

CVDPV2 in Tanzania

As of 7 January 2026, two circulating vaccine-derived poliovirus type 2 (cVDPV2) positive environmental samples were reported from specimens collected on 16 December 2025 in Mwanza. Please see our Topics in Brief article for further details on polio.

Take usual precautions
12 January 2026

Cholera in Burundi

Between 1 January and 24 December 2025, a total of 2,984 cases of cholera (13 deaths) have been reported in Burundi. Please see our Topics in Brief article for further details on cholera.

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05 January 2026

Yellow fever in Colombia

Between 2024 and 4 January 2026, a total of 142 confirmed yellow fever cases, including 63 deaths, were reported in Colombia. The departments of Caldas, Caquetá, Cauca, Guaviare, Huila, Meta, Nariño, Putumayo, Tolima and Vaupes have all reported fatal cases. Please see our Topics in Brief article for further details on yellow fever.

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