Figure 1: Filovirus outbreaks and cases worldwide. Solid lines indicate introduction of MARV and ZEBOV from central Africa to different non-endemic countries. Dotted lines indicate introduction of REBOV from the Philippines to Italy and the USA as a result of nonhuman primate shipments. The airplane symbolizes the introduction of human cases through global travel. The insert displays an enlarged view of the filovirus endemic region of central Africa. Red: Zaire ebolavirus (ZEBOV); blue: Sudan ebolavirus (SEBOV); purple: Côte d’Ivoire ebolavirus (CIEBOV); green: Reston ebolavirus (REBOV); yellow: Bundibugyo ebolavirus (BEBOV); black: Lake Victoria marburgvirus (MARV).