In the face of the worst yellow fever outbreak in decades, Brazilians waited hours at a time for vaccinations against the fatal disease in January this year. But yellow fever is far from the only mosquito-borne disease to sweep across the continent. In the last five years alone, Brazil has had serious outbreaks of three threatening arboviruses: Chikungunya, dengue, and the Zika virus.
Most recently, data from the Ministry of Health showed that the Amazon region has registered a 50-percent increase in the number of malaria cases from 2016 to 2017.
Last year, the region recorded 194,000 cases; the trend...