International risk of yellow fever spread from the ongoing outbreak in Brazil, December 2016 to May 2017.
Dorigatti I., Hamlet A., Aguas R., Cattarino L., Cori A., Donnelly CA., Garske T., Imai N., Ferguson NM.
States in south-eastern Brazil were recently affected by the largest Yellow Fever (YF) outbreak seen in a decade in Latin America. Here we provide a quantitative assessment of the risk of travel-related international spread of YF indicating that the United States, Argentina, Uruguay, Spain, Italy and Germany may have received at least one travel-related YF case capable of seeding local transmission. Mitigating the risk of imported YF cases seeding local transmission requires heightened surveillance globally.