14 September 2016: Yellow Fever – Epidemiological Update

In 2015, three countries in the Americas confirmed circulation of yellow fever virus: Bolivia reported epizootic and Brazil and Peru reported human cases. In 2016, as of epidemiological week (EW) 34, three countries had reported jungle yellow fever: Brazil, Colombia, and Peru. Distribution of cases by epidemiological week (EW) is presented in Figure 1.