An Air France flight was diverted to Montreal after authorities discovered a passenger from the Democratic Republic of Congo on board.The diversion occurred to enforce US entry restrictions designed to contain a Bundibugyo virus Ebola outbreak currently affecting parts of Africa.Health officials have confirmed nearly 600 suspected cases and 139 deaths, leading the WHO to declare a public health emergency.The Centers for Disease Control and Prevention and the Department of Homeland Security are maintaining heightened screening for all travelers.