In an update on the yellow fever outbreak in Brazil, the Pan american health Organization (PAHO) reports since the beginning of the outbreak in December 2016, there were 1,500 cases of yellow fever reported, including 371 confirmed, including 241 deaths of which 127 are confirmed. There is a 34 percent case fatality rate (CFR) among confirmed cases.

Aedes aegypti/CDC
Aedes aegypti/CDC

According to the probable site of infection, 79% of the suspected and confirmed cases were reported in the state of Minas Gerais (1,057), followed by Espírito Santo (226), São Paulo (15), Bahia (7), Tocantins (6), Goías (1) and Rio Grande do Norte (1). The confirmed cases are distributed in three states: Minas Gerais (288), Espírito Santo (79), and São Paulo (4).

In the state of Minas Gerais, the downward trend in suspected and confirmed cases continues to decline for the fourth consecutive week. Meanwhile, in the state of Espírito Santo cases have increased from EW 1 to EW 4 of 2017 and it will be necessary to continue to observe the evolution of the epidemic, PAHO notes.

With regard to the confirmed fatal cases, 105 were infected in the state of Minas Gerais, 3 in the state of São Paulo and 19 in the state of Espírito Santo. In decreasing order, the CFR among suspected and confirmed cases by state is 75% in São Paulo, 36% in Minas Gerais, and 24% in Espírito Santo.