Ebola virus disease in DRC and Uganda
The World Health Organization (WHO) has confirmed an outbreak of Ebola virus disease (EBOD) in the Democratic Republic of the Congo with imported cases in Uganda and declared this a public health emergency of international concern (PHEIC)
Heading abroad to watch the FIFA Football World Cup?
Plan ahead and be aware of potential health risks
Summer travel advice
If you’re planning a holiday abroad this summer, see our simple travel tips for a safe and healthy trip
Country Information updates: Measles
NaTHNaC has reviewed the measles risk for travellers and updated TravelHealthPro country-specific information pages with new measles guidance
Hantavirus cruise ship outbreak
WHO and UKHSA are monitoring a hantavirus outbreak linked to a cruise ship, with the risk to the UK public currently assessed as very low
Celebrating Pride abroad?
Be aware of risks, look after your health, get appropriate vaccinations and take condoms with you when you attend international Pride events
Mefloquine shortage
Shortage of 250mg mefloquine (Lariam) antimalarial tablets in the United Kingdom (UK) until the end of May 2026
Yellow fever update
Yellow fever cases continue to be reported in Africa and South America
World Malaria Day 25 April 2026
World Malaria Day is an opportunity to highlight the progress that has been made in eliminating malaria, but also to remember that it remains a significant problem in some countries
Rabies vaccine shortage: advice for health professionals
Important advice on rabies vaccine shortage for health professionals
MERS-CoV in France and Saudi Arabia
Between January 2025 and 29 April 2026, there have been 19 human cases of MERS reported – 17 reported by the Kingdom of Saudi Arabia, and two reported by France in December 2025 in individuals who had travelled to the Middle East. Please see our Topics in Brief article for further details on MERS-CoV.
Hantavirus - unknown origin
On 18 May 2026, the World Health Organization stated that a total of 11 cases of Andes virus (nine confirmed and two probable), including three deaths have been reported in relation to the outbreak which began on the MV Hondius cruise ship. Please see our Topics in Brief article for further details on hantavirus.
Ebola virus disease in DRC
As of 19 May 2026, there are now 30 confirmed cases, more than 500 suspected cases, and 130 suspected deaths in the DRC, from the northeastern province of Ituri. An American national has also been confirmed positive and been transferred to Germany, as reported by the U.S. Please see our Topics in Brief article for further details on Ebola virus.
Yellow fever in Brazil
On 14 May 2026, two deaths from yellow fever were reported in the Vale de Paraiba region of Sao Paolo state. This brings the total number of cases in the state during 2026 to nine, including five deaths. Please see our Topics in Brief article for further details on yellow fever.
Ebola virus disease in Uganda ex DRC
The Director-General of the World Health Organization (WHO), has declared that the Ebola disease caused by Bundibugyo virus in the Democratic Republic of the Congo and Uganda constitutes a public health emergency of international concern (PHEIC). Two laboratory confirmed cases (including one death) with no apparent link to each other have been reported in Kampala, Uganda, within 24 hours of each other, on 15 and 16 May 2026, among two individuals travelling from the Democratic Republic of the Congo.
Measles in Guatemala
As of 7 May 2026, a total of 5,399 cases of measles have been reported in 2026. Please see our Topics in Brief article for further details on measles.
Measles in Mexico
As of 7 May 2026, a total of 10,049 cases of measles have been reported in 2026. Please see our Topics in Brief article for further details on measles.
Hantavirus in Argentina
As of 25 April 2026, 101 confirmed cases of hantavirus infection and 32 deaths have been reported in Argentina during the 2025/2026 season. Cases have been reported in the following provinces: Buenos Aires, Salta, Santa Fe, Chubut, Río Negro, Entre Ríos and Jujuy. Please see UKHSA guidance for more details on hantavirus.
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.
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.
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The Yellow Fever Zone
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