A man, wearing a protective mask, poses in front of an isolation center for people suffering from the Ebola virus, on August 12, 2014 at the airport in Abidjan. The Ivory Coast announced on the eve that it has banned all flights from countries hit by Ebola as part of steps to prevent the deadly virus from reaching the west African nation. AFP PHOTO/ SIA KAMBOU (Photo credit should read SIA KAMBOU/