News
Yellow fever update
Yellow fever cases continue to be reported in Africa and South America
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
Updated yellow fever 'green book' chapter published
The yellow fever chapter in the 'green book' (Immunisation against infectious disease) has been updated
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: outbreak in Kenya
Outbreak reported in Isiolo and Garissa Counties
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
'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
Diseases transmitted by insects and ticks in the Americas
Depending on the destination, travellers may be at risk of a number of different diseases
Topics
Yellow fever
Yellow fever is a viral disease transmitted by mosquitoes causing a spectrum of disease from mild to severe symptoms
Outbreaks
Roraima
Sao Paulo
Amazonas
Yellow fever in Brazil
On 28 April 2024, Brazil's Ministry of Health issued a yellow fever alert reporting the detection of four yellow fever cases, with three deaths, over a period of six months. The two most recent cases were reported in February and March 2024. In addition, an imported case (ex Guyana) was detected in February 2024.
Yellow fever in Congo
Since the beginning of 2024, 22 cases of yellow fever have been reported from the Republic of the Congo.
Yellow fever in Gabon
Since the beginning of 2024, 5 cases of yellow fever have been reported in Gabon.
Yellow fever in South Sudan
Since the beginning of 2024, 64 cases of yellow fever and 6 deaths have been reported in South Sudan. During the week of 17 February 2024, 14 new cases and no deaths were reported.
Yellow fever in Cameroon
Between epidemiological weeks 35 and 45 of 2023, Cameroon reported eight positive yellow fever cases. This is in addition to 51 cases that tested positive between weeks 4 and 45 of 2023. Of the 59 cases, 30 were classified as confirmed cases, including 19 reportedly unvaccinated against yellow fever.
Yellow fever in Nigeria
Between 1 - 30 November 2023, 2,617 suspected cases of yellow fever were reported from 553 Local Government Areas (LGAs) across 36 states in Nigeria. No deaths were reported among suspected cases in the reporting month. Most cases have been reported from Bauchi (356), Katsina (241) and Borno (183) states.
Yellow fever in Senegal
On 27 December 2023, the Institut Pasteur de Dakar reported 2 confirmed cases of yellow fever.
Yellow fever in Brazil
As of 9th August 2023, a case of yellow fever has been reported in a howler monkey in the city of Santo Antonio das Missoes in Rio Grande do Sul state.
Yellow fever in Uganda
From 1 January 2022 to 18 April 2023, a total of 1,053 cases of yellow fever have been reported. Four cases have been confirmed from the following districts Kasese (1), Buikwe (2), and Buvuma (1).
Yellow fever in Brazil
On 2 March 2023, a confirmed case of yellow fever in a howler monkey found dead in Parada Cristal, a peri-urban area, was reported. It is the first confirmed monkey case of 2023.
Yellow fever in Chad
As of 2 November 2022, 2,114 suspected cases of yellow fever have been reported, including 37 probable and 30 laboratory confirmed cases with seven deaths. 11 out of 23 provinces have been affected since the beginning of the outbreak.
Yellow fever in Cameroon
Between 4 January 2021 and 4 October 2022, a total of 2,824 suspected cases of yellow fever have been reported including 17 probable and 35 confirmed cases.
Isiolo
Yellow fever in Kenya
As of 23 July 2022, a total of 111 yellow fever cases, with 12 deaths, have been reported in Isiolo and Garissa Counties. The majority of the cases (71) have been detected in Isiolo County.
Yellow fever in Central African Republic
As of 8 May 2022, a total of 522 suspected yellow fever cases have been reported since 3 August 2021. Of the 391 suspected cases investigated, 24 were confirmed.
Yellow fever in Uganda
On 6 March 2022, World Health Organization received notification from the Uganda Ministry of Health of four suspected yellow fever cases. However, further investigations identified only one laboratory confirmed case of yellow fever reported from Wakiso district, Central Region.
Yellow fever in Nigeria
Between 1 January 2021 to 31 January 2022, a total of 2,202 suspected cases (47 confirmed) have been reported across 37 states.
Yellow fever in Ghana
As of 15 February 2022, a total of 744 suspected yellow fever cases, including 158 probable and 64 confirmed cases, have been reported from 11 regions in Ghana.
Yellow Fever in Venezuela
As of 6 October 2021, a total of seven human cases have been laboratory confirmed. To date no deaths have been reported.
Anzoategui
Yellow fever in Venezuela
As of 7 October 2021, a total of 10 confirmed epizootics of non-human primates (araguato monkeys) have been reported in Venezuela: 7 in Monagas and 3 in Anzoategui.
Yellow fever in Cameroon
Between 1 January and 4 July 2021, 905 suspected cases of yellow fever infection, with 13 associated deaths, have been reported in Cameroon.
