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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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16 May 2025

Mpox in Australia

On 13 May 2025, Australia reported their first case of clade Ib mpox in an individual who had travelled overseas. Please see our Topics in Brief article for further details on mpox.

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16 May 2025

cVDPV2 in Burkina Faso

As of 14 May 2025, one case of circulating vaccine-derived poliovirus type 2 (cVDPV2) has been reported from Fada, with onset of paralysis on 30 March 2025. This is the first human case reported in Burkina Faso since 2023. Please see our Topics in Brief article for further details on polio.

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16 May 2025

cVDPV2 in Papua New Guinea

As of 16 May 2025, two cases of circulating vaccine-derived poliovirus type 2 (cVDPV2) have been reported from Lae, Morobe Province. Please see our Topics in Brief article for further details on polio.

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15 May 2025

Mpox in India

On 4 May 2025, India retrospectively reported nine cases of mpox due to clade Ib mpox, detected between December 2024 and March 2025. This brings the country's total to 10 cases. All cases reported recent history of travel to countries in the Gulf or contact with travellers from those countries. Please see our Topics in Brief article for further details on mpox.

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14 May 2025
Sri Lanka + Colombo
Kandy
Gampaha

Chikungunya in Sri Lanka

As of 14 March 2025, a total of 173 chikungunya cases were reported in Colombo, Gampaha and Kandy (22 cases in November and December 2024, and 151 cases during 2025). Please see our Topics in Brief article for further details on chikungunya.

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14 May 2025

MERS-CoV in Saudi Arabia

Between 1 March and 21 April 2025, the Ministry of Health of the Kingdom of Saudi Arabia reported nine cases of Middle East respiratory syndrome coronavirus (MERS-CoV) infection. Two of these cases died. Among the nine cases, seven cases were identified in Riyadh, including six health care workers who acquired the infection caring for an infected patient. Please see our Topics in Brief article for further details on MERS-CoV.

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13 May 2025

Oropouche virus disease in Brazil

As of 8 May 2025, a total of 9,416 confirmed cases of Oropouche virus disease, with one death currently under investigation, have been reported in Brazil for 2025. Please see our Topics in Brief article for further details on Oropouche virus disease.

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13 May 2025

Chikungunya in Réunion

As of 12 May 2025, over 47,500 confirmed chikungunya cases and over 170,000 consultations for suspected chikungunya have been reported since August 2024. In 2025, a total of 340 hospital admissions, with 12 deaths linked to chikungunya, have been reported. All municipalities have reported cases, with southern areas most affected, particularly Le Tampon. The French National Authority for Health (HAS) have withdrawn vaccination in people over 65 years whilst a small number of possible adverse reactions in this age group are investigated. Please see our Topics in Brief article for further details on chikungunya.

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13 May 2025

Chikungunya in Mayotte

As of 9 May 2025, a total of 139 chikungunya cases, with five hospital admissions, have now been reported in Mayotte in 2025. This total includes 29 imported cases, 58 locally acquired cases and 52 cases currently under investigation. Please see our Topics in Brief article for further details on chikungunya.

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09 May 2025
India + Kerala

Nipah virus in India

As of 9 May 2025, one case of Nipah virus disease has been reported from Malappuram district, Kerala during 2025. Please see our Topics in Brief article for further details on Nipah virus disease.

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