NPR: A few Ebola cases likely in U.S., air traffic analysis predicts It’s only a matter of time, some researchers are warning, before isolated cases of Ebola start turning up in developed nations, as well as hitherto-unaffected African countries. The current Ebola outbreak in West Africa has killed more people than all previous outbreaks combined, the World Health Organization said Wednesday. The official count includes about 3,600 […]