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Mpox and Oropouche outbreaks

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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27 March 2026

Yellow fever in Trinidad and Tobago

On 24 March 2026, the Trinidad and Tobago Ministry of Health reported a confirmed detection of yellow fever in a deceased monkey. No human cases have been detected. Health authorities are conducting surveillance and vector control measures in the area where the monkey was found. The last significant yellow fever outbreak in Trinidad occurred in 1979. Please see our Topics in Brief article for further details on yellow fever.

Take usual precautions
27 March 2026

Mpox in Central African Republic

As of 26 March 2026, clade Ib mpox has been reported in Central African Republic for the first time.  Please see our Topics in Brief article for further details on mpox.

Take extra precautions
27 March 2026

Yellow fever in Venezuela

As of 13 March 2026, a total of 38 confirmed cases of yellow fever (including 19 deaths) have been reported in Venezuela since January 2025. Cases have been reported from Amazonas, Apure, Aragua, Barinas, Bolívar, Carabobo, Cojedes, Guárico, Lara, Mérida, Monagas, Portuguesa, Táchira, and Trujillo. Please see our Topics in Brief article for further details on yellow fever.

Take extra precautions
26 March 2026

Dengue in New Caledonia

As of 23 March 2026, a total of 394 dengue cases have been reported in New Caledonia since January 2026. Please see our Topics in Brief article for further details on dengue.

Take usual precautions
25 March 2026

Meningococcal disease in DRC

As of 13 March 2026, a total of 24 suspected cases (including three confirmed and nine deaths) of meningococcal disease have been reported from the Mangembo Health Zone of Kongo Central Province. Some cases have been confirmed as Neisseria meningitidis serogroup W135. Please see our Topics in Brief article for further details on meningococcal disease.

Take usual precautions
24 March 2026
Madagascar + Mahajanga
Toamasina
Antsirabe

Chikungunya in Madagascar

As of 8 February 2026, a total of 29 confirmed chikungunya cases have been reported in Madagascar since January 2026. Most cases have been reported from Mahajanga (21 cases), followed by Toamasina (7 cases) and Antsirabe (1 case). Please see our Topics in Brief article for further details on chikungunya.

Take usual precautions
23 March 2026
Colombia + Tolima

Yellow fever in Colombia

As of 17 March 2026, 390 probable and 30 confirmed cases of yellow fever have been reported in Colombia during 2026. All cases so far in 2026 have been reported in Tolima. Please see our Topics in Brief article for further details on yellow fever.

Take usual precautions
23 March 2026

Chikungunya in Suriname

As of 4 March 2026, a total of 1,357 confirmed cases of chikungunya (one death and another under investigation) have been reported from Suriname since the outbreak was declared in late January 2026. Confirmed cases have been reported from eight districts: Paramaribo, Paramaribo, Marowijne, Wanica, Nickerie, Commewijne; Tamansari, Richelieu, Para and Coronie. Please see our Topics in Brief article for further details on chikungunya.

Take usual precautions
23 March 2026

Mpox in Réunion

As of 20 March 2026, seven confirmed mpox cases clade Ib (three of which were imported from Madagascar) have been reported in Réunion for 2026. Please see our Topics in Brief article for further details on mpox.

Take extra precautions
23 March 2026

Meningococcal disease in United Kingdom

As of 23 March 2026, a total of 20 confirmed meningococcal disease cases, with two deaths, have been reported in Kent. 19 of these cases have been confirmed as group B meningococcal disease. A further nine suspected cases are under investigation, bringing the total to 29 cases. A targeted vaccination programme has started and preventative antibiotic treatment is being offered to possible contacts as a precautionary measure. Please see our Topics in Brief article for further details on meningococcal disease.

Take usual precautions
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