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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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Check the recommendations for your destination

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18 February 2026

Dengue in Samoa

As of 8 February 2026, a total of 4,881 confirmed and 16,550 clinically diagnosed dengue cases, with eight deaths have been reported in Samoa since this outbreak began in January 2025. DENV-1 and DENV-2 have been confirmed as circulating in Samoa. Please see our Topics in Brief article for further details on dengue.

Take usual precautions
18 February 2026

Cholera in Malawi

Between 1 January and 16 February 2026, a total of 828 suspected cholera cases, with 87 confirmed cases and two deaths, have been reported. Currently Blantyre is reporting the highest number of cases, followed by Lilongwe, Kasungu, Neno and Chikwawa. Please see our Topics in Brief article for further details on cholera.

Take usual precautions
17 February 2026

Cholera in South Sudan

As of 16 February 2026, a total of 98,372 cholera cases, including 1,624 deaths, have been reported in South Sudan since this outbreak began in September 2024. Cases have been reported in 55 counties, across nine states and all three administrative areas. Please see our Topics in Brief article for further details on cholera.

Take usual precautions
17 February 2026

Cholera in Mozambique

As of 10 February 2026, a total of 870 new confirmed cholera cases and 22 deaths have been reported across four provinces in Mozambique since 4 February 2026. This is a 95% average increase in the number of new cases in the last four weeks. Please see our Topics in Brief article for further details on cholera.

Take usual precautions
16 February 2026

Chikungunya in French Guiana

As of 5 February 2026, four locally acquired (autochthonous) cases of chikungunya have been reported from French Guiana. Investigations have not revealed any link between these cases, indicating that the virus is already circulating widely within the local mosquito population. These are the first locally acquired cases on French Guiana since 2017. Please see our Topics in Brief article for further details on chikungunya.

Take usual precautions

Mpox in Réunion ex Madagascar

As of 10 February 2026, two confirmed mpox cases, linked to travel to Madagascar, have been reported in Réunion for 2026. No epidemiological link has been established between these two cases. Contract tracing and a reactive vaccine campaign are ongoing. Please see our Topics in Brief article for further details on mpox.

Take extra precautions
12 February 2026

Dengue in Timor-Leste

Between 1 and 31 January 2026, 1,281 cases of dengue were reported from Timor-Leste. Please see our Topics in Brief article for further details on dengue.

Take usual precautions
12 February 2026

Chikungunya in Guyana

As of 10 February 2026, six locally acquired (autochthonous) cases of chikungunya have been reported from Guyana. Until this report, no locally acquired cases had been reported from Guyana in the last nine years. Please see our Topics in Brief article for further details on chikungunya.

Take usual precautions
12 February 2026

Mpox in Mayotte

As of 5 February 2026, six confirmed mpox cases have been reported in Mayotte for 2026. Please see our Topics in Brief article for further details on mpox.

Take extra precautions
12 February 2026

Chikungunya in Bolivia

As of 10 February 2026, 984 cases of chikungunya have been reported from Bolivia in 2026. Please see our Topics in Brief article for further details on chikungunya.

Take usual precautions
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