News
Yellow fever update
Yellow fever cases continue to be reported in Africa and South America
Changes to country yellow fever certificate requirements
Important reminder to look out for updates to country yellow fever certificate requirements
Yellow fever vaccine: supply update
Temporary disruption in supply of yellow fever vaccine (Stamaril) in the UK
NaTHNaC email service: Travel vaccine certificate enquiries
Email service for health professionals and travellers
Yellow fever pre-vaccination checklist updated
Updates to the pre-vaccination checklist have been made in line with the new 'green book' yellow fever chapter
Further update to 'green book' yellow fever chapter
Information about reinforcing doses of yellow fever vaccine has been updated in Immunisation against infectious disease
International Certificate of Vaccination or Prophylaxis: new supplier contact details
Updated information on ICVP supply
Zoonoses (diseases from animals) in travellers
A zoonotic disease is one that spreads between animals and humans and has the potential to be an increasing problem for travellers
New: Yellow Fever Vaccination Centre (YFVC) search locator map
A new search option is now available
Yellow fever: updated country certificate requirements, 2022
The WHO has published updated country requirements for a yellow fever International Certificate of Vaccination or Prophylaxis
Yellow fever vaccination: important new guidance for health professionals
Public Health England has published guidance for health professionals managing clinical incidents or adverse vaccine associated events related to yellow fever vaccination
Review of serious adverse events following yellow fever vaccination
New recommendations for clinical practice with strengthened measures to minimise the risk of serious and fatal reactions post vaccination are published
Nigeria: phase out of yellow card
Clarification from Nigeria and the World Health Organization on introduction of the electronic 'yellow card'
Factsheets
Diseases spread by insects and ticks in the American continent (the Americas)
Depending on the destination, travellers may be at risk of a number of different diseases
'Getting to Grips...' online events and video guides
Online guides and webinar sessions for health professionals interested in travel health
Yellow fever pre-vaccination checklist
A checklist for travellers to be used during the travel health consultation to assist yellow fever vaccine risk assessment
Yellow fever vaccine: contraindications and precautions reminder
A reminder for health professionals to use to assist yellow fever vaccine risk assessment
Yellow fever
Yellow fever is caused by a virus, which circulates between infected monkeys or humans and mosquitoes
Topics
Yellow fever
Yellow fever is a viral disease transmitted by mosquitoes causing a spectrum of disease from mild to severe symptoms
Outbreaks
Yellow fever in Colombia
As of 28 June 2026, a total of 53 confirmed yellow fever cases, including 26 deaths, have been reported since the start of the year. This brings the total confirmed cases since 2024 to 201 (89 deaths). The Department of Tolima has reported the majority of cases. Please see our Topics in Brief article for further details on yellow fever.
Yellow fever in Brazil
As of 1 June 2026, a total of 11 confirmed yellow fever cases, including six deaths, have been reported in Brazil for 2026. Most cases (nine) were reported in Sao Paulo state. Please see our Topics in Brief article for further details on yellow fever.
Yellow fever in Liberia
On 5 June 2026, the World Health Organization reported that following a confirmed yellow fever case in Grand Cape Mount County, a reactive yellow fever vaccination campaign was conducted. Please see our Topics in Brief article for further details on yellow fever.
Yellow fever in Ecuador
On 25 April 2026, Ecuador's Ministry of Health reported a fatal human case of yellow fever in an 11-year-old child in Joya de los Sachas Canton, Orellana Province. This is the first human case of yellow fever in Ecuador in nine months. Please see our Topics in Brief article for further details on yellow fever.
Yellow fever in Bolivia
Between 1 January and 21 April 2026, a total of five cases of yellow fever have been reported in Bolivia with two deaths. Please see our Topics in Brief article for further details on yellow fever.
Yellow fever in Trinidad and Tobago
On 24 March 2026, the Trinidad and Tobago Ministry of Health reported a confirmed detection of yellow fever in a deceased monkey. No human cases have been detected. Health authorities are conducting surveillance and vector control measures in the area where the monkey was found. The last significant yellow fever outbreak in Trinidad occurred in 1979. Please see our Topics in Brief article for further details on yellow fever.
Yellow fever in Venezuela
As of 13 March 2026, a total of 38 confirmed cases of yellow fever (including 19 deaths) have been reported in Venezuela since January 2025. Cases have been reported from Amazonas, Apure, Aragua, Barinas, Bolívar, Carabobo, Cojedes, Guárico, Lara, Mérida, Monagas, Portuguesa, Táchira, and Trujillo. Please see our Topics in Brief article for further details on yellow fever.
Yellow fever in Peru
As of 13 March 2026, two yellow fever cases have been reported in the department of Madre de Dios. Seven further cases are under investigation from various departments. 49 cases of yellow fever (19 deaths) were reported in Peru during 2025. Please see our Topics in Brief article for further details on yellow fever.
Yellow fever in Costa Rica ex Peru
On 12 October 2025, authorities in Costa Rica reported a confirmed yellow fever case in an American traveller who recently visited Amazon regions of Peru, before travelling to Costa Rica on 8 October 2025. According to available information, this traveller did not have a yellow fever vaccine. Please see our Topics in Brief article for further details on yellow fever.
Huambo
Huila
Luanda
Malanje
Yellow fever in Angola
On 6 July 2025, the Angola Ministry of Health reported 7 confirmed yellow fever cases to the World Health Organization. The cases were confirmed from samples collected through routine surveillance between July 2024 and February 2025. The confirmed cases were reported from 5 provinces: Luanda, Benguela, Malanje, Huíla, and Huambo. Please see our Topics in Brief article for further details on yellow fever.
Pará
São Paulo
Tocantins
Yellow fever in Brazil
Between 1 January and 24 April 2025, 102 confirmed cases of yellow fever and 41 deaths have been reported from four states in Brazil. Please see our Topics in Brief article for further details on yellow fever.
Yellow fever in Brazil
As of 7 March 2025, a total of 15 confirmed and six suspected yellow fever cases have been reported in Pará. A further seven cases are under investigation. Please see our Topics in Brief article for further details on yellow fever.
Yellow fever in Nigeria
Between 1 January 2024 and 20 November 2024 a total of 2,641 suspected (29 confirmed) cases of yellow fever were reported. Please see our Topics in Brief article for further details on yellow fever.
Yellow fever in Brazil
As of 6 January 2025, cases of yellow fever have been reported in monkeys in some regions of the State of Sao Paulo. Please see our Topics in Brief article for further details on yellow fever.
