Please note that not all cases of disease or outbreaks are reported; some outbreaks may only be reported if they occur outside of the usual recognised risk area or season, or they have been reported in greater than usual numbers. See 'About Outbreaks' tab below for further detail.
For further information on red, amber and green alert categories, see About Outbreaks tab.
Ebola disease in France ex DRC
On 24 June 2026, French Health authorities reported a confirmed case of Ebola disease in a doctor returning from humanitarian aid work in the Democratic Republic of Congo. Please see our Topics in Brief article for further details on Ebola disease.
Lassa fever in Liberia
As of 14 June 2026, 23 cases (nine deaths) of Lassa fever have been reported since the start of the year. Bong, Bassa, and Nimba counties are reported to be experiencing outbreaks. 242 confirmed Lassa fever cases including 75 deaths have been reported in Liberia since January 2022. Please see our Topics in Brief article for further details on Lassa fever.
Cholera in Nigeria
Between 1 May 2026 and 18 June 2026, a total of 13,234 cases of cholera (108 deaths) have been reported across 17 local government areas in Borno State. Please see our Topics in Brief article for further details on cholera.
Dengue in Samoa
As of 14 June 2026, a total of 19,764 confirmed cases of dengue fever, with nine 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.
Ebola disease in DRC
As of 22 June 2026, the Democratic Republic of the Congo's Ministry of Health (MoH) reports 1,094 confirmed cases (277 deaths) caused by Bundibugyo virus, in the ongoing Ebola disease outbreak. Ituri, North-Kivu and South-Kivu provinces have been affected. Please see our Topics in Brief article for further details on Ebola disease.
Nipah virus in India
As of 12 June 2026, the Kerala Health Department confirmed one case of Nipah virus infection in India. Contact tracing and public health preventive measures are ongoing. Please see our Topics in Brief article for further details on Nipah virus disease.
Dengue in Sri Lanka
As of 22 June 2026, Sri Lanka has reported 47,530 dengue cases, with 29 deaths, in 2026. Please see our Topics in Brief article for further details on dengue.
Crimean-Congo haemorrhagic fever in Spain
Since the beginning of 2026 and as of 17 June, one confirmed case of Crimean-Congo haemorrhagic fever has been reported in Salamanca, Spain. Please see our Topics in Brief article for further details on Crimean-Congo haemorrhagic fever.
Ebola disease in Uganda
As of 21 June 2026, 20 confirmed cases of Ebola disease including two deaths have been reported in Uganda. Please see our Topics in Brief article for further details on Ebola disease.
Yellow fever in Colombia
As of 14 June 2026, a total of 51 confirmed yellow fever cases, including 24 deaths have been reported since the start of the year. Please see our Topics in Brief article for further details on yellow fever.
Welcome to our outbreak surveillance section. This page contains information on disease outbreaks and other incidents that are considered to be of relevance to UK travellers.
You can search the information by disease or by country.
We regularly review and update information on overseas disease outbreaks and other health issues that may affect the UK traveller. The information comes from a wide variety of sources, and can be used along with the Country Information section of our website where you will find recommendations on vaccines, malaria and other risks for each country (where relevant). Please note that not all cases of disease or outbreaks are reported.
You can search our Outbreak Surveillance information by disease or by country.
In some countries, there may be limited surveillance and reporting processes in place so information can be difficult to obtain. Some diseases may only be reported if they occur outside of the usual recognised risk area or season, or they have been reported in greater than usual numbers. Outbreaks of those diseases included in the UK childhood vaccination programme are not usually reported unless the outbreak is unusual or unexpected.
If you wish to use the following content for official purposes, please refer to the original sources of information. The information presented in the disease surveillance reports is collated from a variety of sources, including government bodies, international organisations and the media. The verification status of each report is clearly indicated. Verified reports are confirmed by official sources. Some unverified reports are included to ensure timely dissemination of information and where possible we will try to substantiate these reports, although confirmation may not always be possible. Unverified reports may be subject to change, misreporting and may later prove to be unsubstantiated. They should not therefore be regarded as official.
Where available, a web link is provided to the original information source. We cannot accept responsibility for the sites to which it links, or for the information found on those sites. Linking to outside sites does not in any way imply endorsement of these sites.
Key to NaTHNaC alert level feature
LEVEL 1: GREEN |
Take usual precautions
|
Follow standard protective measures, as recommended for this destination, disease or situation. Be aware that advice may change and check for updates. |
|
LEVEL 2: AMBER |
Take extra precautions
|
Follow any additional precautions recommended. Be alert and check regularly for changes in advice about this ongoing situation. Advice may be relevant for all travellers or apply to a specific group of travellers. |
|
LEVEL 3: RED |
FCDO advise against travel
|
The Foreign, Commonwealth & Development Office (FCDO) advise against travel on health grounds. Please note we do not report on FCDO specific travel advice where the FCDO advises British people against ‘all but essential travel’ or ‘all travel’ to a particular country. For changes to travel advice for a specific country, you can sign up to receive email alerts. |
|
Alert categories are based on the situation at the time of publication. They will not be routinely updated unless outbreak information or a news item is updated.
The categories do not replace Foreign, Commonwealth and Development Office (FCDO) travel advice. Travellers should still check the FCDO travel advisories for any country-specific security or safety alerts.

