Ebola disease in DRC and Uganda
The World Health Organization (WHO) has confirmed an outbreak of Ebola 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
Rose-Hill
Roche Brunes
Chikungunya in Mauritius
On 2 April 2026, the Ministry of Health and Wellbeing reported a significant increase in chikungunya cases. At the time, 105 active cases were reported, particularly in the regions of Rose-Hill, Quatre-Bornes, and Roches Brunes. On May 14, 2026 the US CDC issued a Travel Alert regarding an increased risk of Chikungunya to travellers visiting Mauritius. Please see our Topics in Brief article for further details on chikungunya.
Mpox in Taiwan
On 19 May 2026, Taiwan reported the first imported case of clade Ib mpox. The case had visited Thailand and reported unsafe sexual activity. Please see our Topics in Brief for further details on mpox.
Murray Valley encephalitis in Australia
On 19 May 2026, local health authorities in the Northern Territory reported two deaths from Murray Valley encephalitis. Both cases were reported from Alice Springs, one in April and the other in May 2026. Travellers should avoid mosquito bites.
Crimean-Congo haemorrhagic fever in Afghanistan
As of 18 May 2026, 152 suspected cases (six deaths) of Crimean-Congo haemorrhagic fever (CCHF) were reported during April 2026. This represents a 141% increase compared to 63 cases and five deaths reported in the March 2026. Please see our Topics in Brief article for further details on CCHF.
Hantavirus- Cruise Ship
On 18 May 2026, the World Health Organization (WHO) 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. Previous reports from WHO state that confirmed cases are being treated and isolated in a number of countries (France, Netherlands, South Africa, Switzerland, and USA). Please see our Topics in Brief article for further details on hantavirus.
Ebola virus disease in DRC
On 20 May 2026, the World Health Organization reported 51 confirmed cases, 600 suspected (139 suspected deaths) of Ebola disease caused by the Bundibugyo virus. Deaths have been reported in healthcare workers, indicating healthcare associated transmission. Please see our Topics in Brief article for further details on Ebola Disease (EBOD).
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.
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.
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