New airport screening measures will affect travelers from Guinea , Liberia and Sierra Leone . To that end , the Centers for Disease Control and Prevention announced Wednesday beefed-up measures at five of America 's biggest , busiest airports aimed at preventing the deadly virus ' further spread . They 'll take effect at U.S. JFK airport , then in Atlanta , Chicago , Liberia and New York 's . Official : Atlanta can track those traveling from West Africa via connecting flights . CDC director : `` We ca n't get the risk to at least one here in the interconnected world ''
New airport screening measures will affect travelers from Guinea , Liberia and Sierra Leone . They 'll take effect at U.S. JFK airport , then in Atlanta , Chicago , Liberia and New York 's . Official : Atlanta can track those traveling from West Africa via connecting flights . CDC director : `` We ca n't get the risk to at least one here in the interconnected world ''