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21 February 2025

Dengue in Puerto Rico

As of 20 February 2025, a total of 6,291 dengue cases were reported in Puerto Rico for 2024. Cases remained above epidemic threshold in 2024, with active transmission also remaining above epidemic threshold through January 2025. DENV-1, DENV-2 and DENV-3 subtypes were identified; with DENV-3 the predominant circulating subtype, followed by DENV-1. Please see our Topics in Brief article for further details on dengue.

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21 February 2025

Dengue in Tonga

As of 20 February 2025, the Ministry of Health of Tonga declared an outbreak of dengue fever, with a total of 52 cases reported in Vava’u, Tongatapu and ‘Eua. Please see our Topics in Brief article for further details on dengue.

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21 February 2025

West Nile Virus in Estonia

As of 20 February 2025, the first confirmed case of West Nile virus infection in Estonia was reported in a dead bird (northern goshawk). This is currently the northernmost West Nile virus detection in Europe. Please see our Topics in Brief article for further details on West Nile virus.

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20 February 2025

Mpox in South Sudan

As of 16 February 2025, a total of three confirmed mpox cases have been reported in South Sudan. Mpox clade Ia has been reported. Please see our Topics in Brief article for more details about mpox.

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19 February 2025

Cholera in Ghana

As of 14 February 2025, a total of 6290 cholera cases, with 49 deaths, have been reported since October 2024. Cases have been reported across 118 districts in five of the country’s 16 regions, with 98% occurring in Central (1625 cases), Western (2225) and Greater Accra (1340) regions. Please see our Topics in Brief article for further details on cholera.

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19 February 2025

Lassa fever in Sierra Leone

As of 18 February 2025, a confirmed fatal case of Lassa fever has been reported in Sierra Leone.  Please see our Topics in Brief article for further details on Lassa fever.

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17 February 2025
Colombia + Tolima

Yellow fever in Colombia

As of 14 February 2025, a total of eight confirmed cases of yellow fever, with two deaths have been reported in the department of Tolima since the beginning of 2025. Please see our Topics in Brief article for further details on yellow fever.

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14 February 2025

Mpox in UAE

As of 14 February 2025, the United Arab Emirates reported their first case of clade Ib mpox in an individual with a recent history of travel to Uganda. The case had symptom onset on 11 January 2025, with mpox confirmed on 18 January 2025. Please see our Topics in Brief article for further details on mpox.

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14 February 2025

Mpox in China

As of 13 February 2025, a total of seven cases of clade Ib mpox have been reported in China since the beginning of 2025. The sixth case was a close contact of the imported case reported on 3 January 2025. The seventh case was associated with travel to the United Arab Emirates. Please see our Topics in Brief article for further details on mpox

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13 February 2025

Cholera in Angola

As of 9 February 2025, a total of 3,043 confirmed cases of cholera and 101 deaths have been reported. Please see our Topics in Brief article for further details on cholera.

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