In an update on the yellow fever outbreak in Brazil, since the beginning of the outbreak in December 2016 through Apr. 12, 2017, there were 2,422 cases of yellow fever reported, including 623 confirmed, and 326 deaths (209 confirmed). The case fatality rate (CFR) is 34% among confirmed cases.

Aedes aegypti/CDC
Aedes aegypti/CDC

According to the probable site of infection,the cases were reported in 359 municipalities, while the confirmed cases were distributed among 108 municipalities in 5 states (Espírito Santo, Minas Gerais, Pará, Rio de Janeiro, and São Paulo).

In the state of Minas Gerais, no new suspected cases have been reported since 23 March 2017, and the date of symptoms onset of the last reported case is 14 March 2017.

In Rio de Janeiro, no new cases have been reported since Apr. 6.

However, in the state of Espírito Santo over the past month or so, a second increase has been observed in the number of cases, the majority of which are being reported from municipalities in the south of the state.

Concerning confirmed yellow fever fatalities, 151 were in Minas Gerais, four in São Paulo, 48 in Espírito Santo, four in Pará, and two in Rio de Janeiro.