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On 31 July 2024, the Pan American Health Organization published an update on yellow fever in South American countries. The affected countries are:
Bolivia: 4 cases (3 deaths) from 20 April 2024 to 8 June 2024 in La Paz department.
Brazil: 3 cases (2 deaths) from 5 February 2024 to 1 April 2024 in Amazonas state.
Colombia: 8 cases (5 deaths) from 3 January 2024 to 2 July 2024 from Caquetá, Huila, Nariño, Putumayo and Vaupés departments
Guyana: 2 cases in the week ending 16 March 2024. The first case was diagnosed in Brazil but works in forestry in Spiaruni, Guyana, where the second case also lives.
Peru: 16 cases (7 deaths) from 11 January to 12 July 2024 in Huánuco, Junín, Madre de Dios, San Martin and Ucayali departments.
Yellow fever is an acute viral disease which is transmitted through the bite of an infected mosquito. It is found in tropical areas of Africa and Central and South America.
All travellers should be advised to practice mosquito bite avoidance at all times.
A traveller's risk of yellow fever is determined by their individual risk assessment. Factors that will influence their risk includes:
country or countries to be visited
length of stay
rate of transmission at destination
immunisation status
planned activities
Unvaccinated travellers who visit yellow fever endemic areas are at risk of becoming infected.
Vaccination is advised for all travellers aged 9 months or over going to yellow fever high-risk or endemic areas unless contraindicated.
Country requirement at entry (WHO): some countries require a yellow fever vaccination certificate is required for travellers aged 1 year or over arriving from countries with risk of yellow fever transmission.
Detailed guidance can be found on the TRAVAX yellow fever disease page.
