At least 10 American citizens are being flown back to US , CDC has arrived . Will be evacuated on non - commercial flights and flown for 21 days . Comes amid concerns they were evacuated to Ebola - stricken aid worker . Unnamed American worker remains in NIH hospital in serious condition . Citizens will be evacuated near hospitals in Omaha , Houston and Atlanta . CDC medical investigation is ongoing ; more people might be evacuated . Ebola disease has killed 10,000 people since December 2013 , WHO says .
At least 10 American citizens are being flown back to US , CDC has said . Will be evacuated on non-commercial plane and monitored for 21 days . Comes amid concerns they were exposed to Ebola-stricken aid worker . Unnamed American worker remains in NIH hospital in serious condition . Citizens will be housed near hospitals in Omaha , Maryland and Atlanta . CDC said investigation is ongoing ; more Americans might be evacuated . Ebola disease has killed 10,000 people since December 2013 , WHO says .