The Argentine and Brazilian health authorities recommend yellow fever vaccination at least 20 days before heading to Paraná, destinations in the state of Santa Catarina and south of Bahia.
Although the health authorities of Brazil, Bolivia and Paraguay do not ask the Argentines for an international vaccination certificate to enter their territory, the Brazilian Government and the Argentine Health Authorities recommend using the yellow fever vaccine to visit some regions and cities such as the Northern Region, Central West, Maranhão, Minas Gerais, west and south of the State of Bahia and north of the state of Espirito Santo.
The use of the vaccine lasts a lifetime, just as the certificate is issued. In case the person is contraindicated to receive the vaccine due to their personal circumstances, they may treat their exemption certificate in Border Health.
Cities for which they recommend being vaccinated:
Rorama, Amapá, Amazonas, Pará, Acre, Rondónia, Mato Grosso, Mato Grosso Do Sul, Maranhão, Tocantins, Goias, Sao Paulo, Paraná, Santa Catarina, Rio Grande Do Sul, Piaui (west and south), south of Salvador Bahía , Minas Gerais, Espíritu Santo and Rio de Janeiro.