Yellow fever transmission in Americas

In 2016 and to date, jungle (sylvatic) yellow fever virus transmission was reported by Brazil, Colombia and Peru.

  • Brazil - sporadic cases including 14 deaths were reported in the states of São Paulo (area around Ribeirão Preto), Goias, and Minas Gerais (10 municipalities).
  • Colombia - sporadic cases occurred in the departments of Antioquia, Amazonas, Guainía, Meta, Vaupés y Vichada.
  • Peru - at least 80 cases were reported from 10 of Peru's 25 departments, including Junín (52 cases), Loreto, San Martín, Ucayali, Huánuco, Pasco, Cusco, Ayacucho, and Puno.

Visit our Health Library for more information on exposure to and the prevention of Yellow Fever.

Advice For Travellers

Travellers to the forested and rural areas where this virus is present can reduce the risk of exposure by obtaining a yellow fever vaccination 10 days before travelling. In addition, travellers should take all necessary precautions to avoid mosquito bites. Travellers are reminded that many other countries require proof of yellow fever vaccination upon arrival for all travellers equal to or greater than 9-12 months of age arriving from a country where there is a risk of yellow fever.

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