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(A) Human cases reported yearly by the World Health Organization (WHO), from 1980 to 2018. The numbers of cases by year for Africa (blue line) and the Americas (green line). Black line denotes the global disease burden of YFV. Data obtained from [76]. (B) Confirmed human yellow fever cases (green line) and mortality rate (black line) in Brazil, from 1980 to present day as reported by the Ministry of Health.
