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MercoPress, en Español
Montevideo, May 5th 2025 - 11:28 UTC
yellow fever virus transmission continues to expand towards the Atlantic coast of Brazil in areas not deemed to be at risk for yellow fever transmission prior to the revised risk assessment published by WHO in the Disease Outbreak News of 27 January 2017
and supported by the scientific and technical advisory group on geographical yellow fever risk mapping (GRYF)
The revised risk assessment was based on epidemiological evidence and ecological factors
The expanded areas at risk of yellow fever transmission remain the same as in the Disease Outbreak News of 27 January 2017 and the WHO travel advice of 31 January 2017
• Espírito Santo State: at risk for yellow fever transmission with the exception of the urban area of Vitoria
• Rio de Janeiro State: at risk for yellow fever transmission in the following northern municipalities bordering Minas Gerais and Espírito Santo States: Bom Jesus do Itabapoana; Cambuci; Cardoso Moreira; Italva; Itaperuna; Laje do Muriae; Miracema; Natividade; Porciuncula; Santo Antonio de Padua; São Fidelis; São Jose de Uba; Varre-Sai; Campos dos Goytacazes; São Francisco de Itabapoa; São João da Barra
Currently there is no evidence of yellow fever virus transmission in the large metropolitan areas of the East Coast such as Rio de Janeiro
The determination of new areas considered to be at risk for yellow fever transmission is preliminary and updates will be provided regularly
and considering that travelers for the Carnival in the next few weeks may take side tours outside the main cities
the current advice by the WHO Secretariat for international travelers going to areas of Brazil deemed to be at risk
Vaccination against yellow fever at least 10 days prior to the travel
as per Annex 7 of the International Health Regulations (2005)
a single dose of a yellow fever vaccine approved by WHO is sufficient to confer sustained immunity and life-long protection against yellow fever disease
Travelers with contraindications for yellow fever vaccine (children below 9 months
people with severe hypersensitivity to egg antigens
and severe immunodeficiency) or over 60 years of age should consult their health professional for advice; adoption of measures to avoid mosquito bites; awareness of symptoms and signs of yellow fever; seeking care in case of symptoms and signs of yellow fever
while travelling and upon return from areas at risk for yellow fever transmission
For 2017 updates on yellow fever vaccination requirements and WHO vaccination recommendations for travelers see Annex and country list on the WHO International Travel and Health website
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