“…According to the world health organization (WHO), 200,000 new YFV cases occur annually with outbreaks recorded in 2016-2017 in several countries in Africa and the Americas [5][6][7]. As for ZIKV, an estimated 440,000-1,300,000 cases were recorded in late 2015 during the Brazilian outbreak, and as a result of an increase in ZIKV-associated microcephaly cases in 2016, the WHO declared ZIKV a Public Health Emergency of International Concern [8,9].…”