Could the deadly mosquito-borne yellow fever virus cause a Zika-like epidemic in the Americas?

Yellow fever virus (YFV), a close relative of Zika virus and transmitted by the same type of mosquito, is the cause of an often-fatal viral hemorrhagic fever and could spread via air travel from endemic areas in Africa to cause international epidemics. The recent reemergence and spread of YFV in Africa and Asia and the dire shortage of YFV vaccine have called attention to the potential public health threat of yellow fever and the need for specific measures to prevent infection and control spread...