Saturday , January 16 2021

Yellow fever: Those who go to Paraná and Santa Catarina must also be vaccinated



The Ministry of Public Health recommended that the Argentines travel to any of these twenty Brazilian states (Rorama, Amapá, Amazonas, Pará, Acre, Rondónia, Mato Grosso, Mato Grosso Do Sul, Maranhão, Tocantins, Goiás, Sao Paulo, Paraná, Santa Catarina, Rio Grande Do Sul, Piaui (west and south), Bahia, Minas Gerais, Espíritu Santo and Rio de Janeiro) vaccinated against yellow fever at least 20 days before leaving.

This recommendation created an unusual increase in the demand for the doses of these vaccines in Buenos Aires vaccinations in recent days. In Misiones, however, it was not so significant that there was an increase in the demand for the yellow fever vaccine. One of the reasons is that 96% of the provincial population is already immunized against this disease. It is worth mentioning that the vaccination certificate is not a requirement for access to Brazil. Although those traveling via Paraguay to or from northern Brazil must accredit the vaccines according to Paraguayan authorities' orders.

Every ten years or just once?

Before 2016, a strengthening of the yellow fever vaccine was recommended every ten years. However, from July this year, the World Health Organization (WHO) decided that the period of validity of all yellow fever vaccination certificates, including both those already issued and the new ones, should range from 10 years to the entire vaccinated person's life.

WHO provides information to tourists about the care they should take to avoid the spread of yellow fever and other vector diseases when visiting countries at risk of transmission (Https://www.argentina.gob.ar/sites/default/files/0000001383cnt-2018-11_ith-country-list-nov-2018.pdf). For tourists over 9 months of age who wish to visit Argentina, WHO recommends that they be vaccinated against yellow fever if their destination is the Corrientes and Misiones provinces.

The epidemiological situation

In Brazil, the transfer of yellow fever has been extended over the last three years: it started in the north and expanded from east to south, mainly affecting the states in the northwest. The cases registered in 2016, 2017 and 2018 exceeded the cases reported in the last 50 years.


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