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Ebola, Marburg and Oropouche outbreaks

Ebola cases have been reported in Democratic Republic of Congo and Uganda. A case of Marburg virus disease has been reported in Uganda and 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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29 July 2026

Dengue in Colombia

As of 12 July 2026, a total of 28,074 cases (38 deaths) of dengue fever have been reported in Cambodia during 2026. This represents a 58.1% increase compared to the same period in 2025. Please see our Topics in Brief article for further details on dengue.

Take usual precautions
29 July 2026

Yellow fever in Colombia

As of 28 July 2026, a total of 56 confirmed yellow fever cases, including 28 deaths, have been reported since the start of the year. This brings the total confirmed cases since 2024 to 204 (91 deaths). The Department of Tolima has reported the majority of cases. Please see our Topics in Brief article for further details on yellow fever.

Take usual precautions
29 July 2026

Hantavirus in Venezuela

As of 28 July 2026, 46 cases of hantavirus (18 deaths) have been reported from the Valparaiso, Metropolitana, O'Higgins, Maule, Nuble, Biobío, La Araucania, Los Rios, Los Lagos and Aysen regions. The Ministry of Health in Chile have declared a 'Health Alert' for hantavirus, which extends from the regions of Atacama to Magallanes and will be in force until July 31, 2027. Please see our Topics in Brief article for further details on hantavirus.

Take usual precautions
28 July 2026

Japanese encephalitis in Taiwan

As of 28 July 2026, a total of ten confirmed Japanese encephalitis cases, including one death, have been reported in Taiwan in 2026. Most cases have been reported in Taoyuan City (6 cases). Please see our Topics in Brief article for further details on Japanese encephalitis.

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28 July 2026
Democratic Republic of the Congo + Ituri
North Kivu
South Kivu
Tshopo
Haut-Uele

Ebola disease in DRC

As of 26 July 2026, a total of 3,262 confirmed Ebola cases and 1,437 deaths have been reported in five provinces: Ituri, North Kivu, South Kivu, Tshopo and Haut-Uele. Please see our Topics in Brief article for further details on Ebola disease.

Take extra precautions
28 July 2026

Yellow fever in Brazil

As of 23 July 2026, a total of 15 confirmed yellow fever cases including eight deaths have been reported in Brazil. Most (11 cases) have been reported in Sao Paulo state. Please see our Topics in Brief article for further details on yellow fever.

Take usual precautions
27 July 2026
USA

Measles in USA

As of 23 July 2026, a total of 2,318 confirmed measles cases have been reported across 45 states of the United States in 2026. This is exceeds the number of cases reported for the whole of 2025 and is the highest number of measles cases reported in the US for 35 years. Please see our Topics in Brief article for further details on measles.

Take usual precautions
24 July 2026
France + Occitanie

Dengue in France

On 20 July 2026, two locally acquired dengue cases were reported from the Occitanie region of France. Please see our Topics in Brief article for further details on dengue.

Take usual precautions
24 July 2026

Rabies in South Africa

Since 2024, more than 100 cases of rabies have been confirmed in Cape fur seals in South Africa and Namibia. See our Topics in Brief article for further details on rabies.

Take usual precautions
24 July 2026

Lassa fever in Nigeria

As of 12 July 2026, a total of 963 confirmed Lassa fever cases, with 6,554 suspected, six probable cases and 229 deaths, have been reported across 23 states in Nigeria for 2026. Please see our Topics in Brief article for further details on Lassa fever.

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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