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Yellow fever: those traveling to Parana and Santa Catarina should also be vaccinated



The Ministry of Health recommended that Argentines go to any of these twenty Brazilian states (Rorama, Amapa, Amazonas, Para, Acre, Rondônia, Mato Grosso, Mato Grosso do Sul, Maranhão, Tocintins, Goias, São Paulo, Paraná Santa Catarina, Rio Grande do Sul, Piauí (west and south), Bahia, Minas Gerais, Espírito Santo and Rio de Janeiro), which are vaccinated against yellow fever no less than 20 days before departure.

This recommendation has caused an unusual increase in demand for doses of these vaccines when vaccinated in Buenos Aires in recent days., In Misiones, despite the increased demand for yellow fever vaccine, it was not so significant. One reason is that 96% of the population of the province is already immunized against the disease.It is worth noting that a certificate for vaccination is not a requirement for entry into Brazil. Although those traveling through Paraguay to or from the north of Brazil will have to accredit vaccines by order of the Paraguayan authorities.

Every ten years or only once?

Until 2016, increased yellow fever vaccination was recommended every ten years. However, starting in July of the same year, the World Health Organization (WHO) decided that the validity of all vaccinations against yellow fever, including both already issued and new, should be from 10 years to the entire life of a vaccinated person.

WHO offers tourists information about the care they need to take to avoid the spread of yellow fever and other vectors of disease when they visit countries at risk of transmission (Https://www.argentina.gob.ar/sites/default/files/0000001383cnt-2018-11_ith-country-list-nov-2018.pdf). For tourists older than nine months who wish to visit Argentina, WHO recommends vaccinating against yellow fever if their destination is the provinces of Corrientes and Misiones.

Epidemiological situation

In Brazil, the yellow fever zone has expanded over the past three years: it began in the north and expanded from east to south, affecting mainly the states of the central-western region. Cases registered in 2016, 2017 and 2018 exceeded the number of cases registered in the last 50 years.


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