Ebola, Marburg virus disease, Mpox and Oropouche outbreaks
An Ebola outbreak has been reported in Democratic Republic of Congo. Marburg virus disease has been reported in Ethiopia. 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.
Marburg virus disease in Ethiopia
The World Health Organization has reported a Marburg virus disease outbreak in Ethiopia
Polio: Public Health Emergency of International Concern
An update on the polio Public Health Emergency of International Concern (PHEIC)
Country Information updates: cholera
NaTHNaC has reviewed the country-specific cholera information and vaccine recommendations for United Kingdom (UK) travellers on the TravelHealthPro website
Travelling to West Africa to celebrate 'Detty December'?
Take care of your health and don't forget malaria risks if travelling to West Africa this December to take part in cultural celebrations
'Getting to grips with Oropouche virus disease' webinar, Friday 28 November 2025
Registration is now open for our third 'Getting to Grips' webinar of 2025, 'Getting to grips with Oropouche virus disease'
Falsified rabies vaccine: India
Falsified rabies vaccine is circulating through unauthorised sources in India
Chikungunya virus disease- Global situation report 2025
The World Health Organization have published a report on the current global situation of chikungunya virus disease (CHIKV)
NaTHNaC Telephone Advice Line for health professionals
Due to staff shortages, opening hours for the advice line service have been revised
Mefloquine shortage
Shortage of 250mg mefloquine (Lariam) antimalarial tablets in the United Kingdom (UK) until January 2026
Changes to country yellow fever certificate requirements
Important reminder to look out for updates to country yellow fever certificate requirements
Dengue in Mali
As of 17 November 2025, a total of 865 confirmed (and 2,795 suspected) dengue cases have been reported in Mali for 2025. Cases have been reported in all 11 regions of the country. Please see our Topics in Brief article for further details on dengue.
Nairobi County
Migori
Cholera in Kenya
As of 17 November 2025, a total of 236 cholera cases, with six deaths, have been reported since the beginning of October 2025. Please see our Topics in Brief article for further details on cholera.
Marburg virus disease in Ethiopia
As of 20 November 2025, a total of six confirmed cases of Marburg virus disease including three deaths have been reported. A further 33 suspected cases are under laboratory investigation. Please see our Topics in Brief article for further details on Marburg virus disease.
Zika in Argentina
As of 1 November 2025, a total of 720 cases of Zika virus disease have been reported in Argentina during 2025. Please see our Topics in Brief article for further details on Zika.
Zika in Bolivia
As of 25 October 2025, a total of 1,024 cases of Zika virus disease have been reported in Bolivia for 2025. Please see our Topics in Brief article for further details on Zika.
Crimean-Congo haemorrhagic fever in Afghanistan
As of 8 November 2025, a total of 1,438 suspected cases of Crimean-Congo haemorrhagic fever (CCHF) with 99 deaths, have been reported in Afghanistan in 2025. The highest cumulative incidence of suspected CCHF cases have been reported from Kabul, followed by Kapisa, Kunduz, Balkh, and Kandahar. Please see our Topics in Brief article for further details on CCHF.
CVDPV2 in United Kingdom
As of 12 November 2025, vaccine-derived poliovirus type 2 (VDPV2) has been detected in an environmental sewage sample collected in Yorkshire and the Humber on 16 September 2025. This is the second cVDPV2 positive environmental sample reported in the UK for 2025. Please see our Topics in Brief article for further details on polio.
Chikungunya in Hong Kong
As of 13 November 2025, a total of four confirmed locally acquired chikungunya cases have now been reported in Hong Kong for 2025. Please see our Topics in Brief article for further details on chikungunya.
WPV1 in Germany
Wild poliovirus type 1 (WPV1) has been detected in an environmental sample taken from wastewater in Hamburg on 6 October 2025. There have been no reports to date of any clinical or suspected human cases of poliomyelitis in Germany, with the last cases recorded over 30 years ago. Please see our Topics in Brief article for further details on polio.
Zika in Brazil
As of 1 November 2025, a total of 22,831 cases of Zika virus disease have been reported in Brazil for 2025. Please see our Topics in Brief article for further details on Zika.



