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Oropouche outbreak

A 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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06 May 2026

Measles in Bangladesh

As of 5 May 2026, a total of 5,467 confirmed measles cases and 41,793 suspected cases with 259 deaths have been reported in Bangladesh for 2026. Please see our Topics in Brief article for further details on measles.

Take usual precautions
06 May 2026

Dengue in Tonga

As of 5 May 2026, a total of 56 confirmed dengue cases have now been reported in Tonga. The highest number of cases have been reported from Tongatapu Island. Dengue virus serotype 2 (DENV-2) has been confirmed. Please see our Topics in Brief article for further details on dengue.

Take usual precautions
06 May 2026

Hantavirus - unknown origin

As of 6 May 2026, a total of eight hantavirus cases (three confirmed) associated with a cruise ship have now been reported by the World Health Organization. The type of virus in this outbreak has been confirmed as Andes hantavirus. Risk to the global population is low.

Take usual precautions
01 May 2026

Mpox in Luxembourg

Between April 2025 and March 2026, one clade I mpox case was reported in Luxembourg. This is the first clade I mpox case reported in Luxembourg. Please see our Topics in Brief article for further details on mpox.

Take extra precautions
01 May 2026
Australia + Western Australia

cVDPV2 in Australia

On 1 May 2026, an environmental detection of circulating vaccine-derived poliovirus type 2 (cVDPV2) from a wastewater sample was reported in Perth, Western Australia. Please see our Topics in Brief article for further details on polio.

Take usual precautions
28 April 2026

Mpox in Denmark

On 27 April 2026, the number of confirmed clade Ib mpox cases in Denmark has increased to four. One case has reported no travel history abroad, indicating locally acquired infection. Please see our Topics in Brief article for further details on mpox.

Take extra precautions

Mpox in Poland ex Slovakia

On 13 April 2026, the first detection of clade I mpox in Poland was confirmed. The clade subtype is unspecified. The case is an adult male who had a travel history to Slovakia. No onward transmission associated with this case has been reported. Please see our Topics in Brief article for further details on mpox.

Take extra precautions
27 April 2026
Ecuador + Orellana

Yellow fever in Ecuador

On 25 April 2026, Ecuador's Ministry of Health reported a fatal human case of yellow fever in an 11-year-old child in Joya de los Sachas Canton, Orellana Province. This is the first human case of yellow fever in Ecuador in nine months. Please see our Topics in Brief article for further details on yellow fever.

Take usual precautions
27 April 2026

Mpox in Madagascar

Between 18 December 2025 and 25 April 2026, a total of 1,196 confirmed mpox cases and three deaths have been reported in Madagascar. Clade Ib mpox has been detected amongst confirmed cases. Please see our Topics in Brief article for further details on mpox.

Take extra precautions
27 April 2026
Malawi + Southern Region

cVDPV2 in Malawi

In the week ending 22 April 2026, one cVDPV2-positive environmental sample was reported from Southern Province, Malawi, collected on 19 February 2026. Please see our Topics in Brief article for further details on polio.

Take usual precautions
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