There has never before been a known case of Ebola in the United States, but there will be soon.
The CDC has retrofitted a long-range business jet with medical equipment, including an isolation chamber, and plans to bring two infected Americans back to the United States.
Aid workers Nancy Writebol and doctor Kent Brantly are currently in stable, but grave condition.
"These patients need to be in isolation and that isolation needs to be pristine. Everything from the way that the air circulates in the room, the way that people are allowed to enter into the room, the anti-rooms -- the rooms before you get into where the patient is -- so people can gown up. All of that is necessary and really quite effective."
At an advanced stage, ebola it can cause internal and external bleeding.
The symptoms include weakness, fever, headaches, and vomiting.
The world health organization says it has infected more than 1,300 people in west africa since march. Those cases have been more than 55% fatal.
Liberia has been especially hard hit.
"The government does not have the capacity anymore to deal with this outbreak. So we need the help of the international community."
Even as nations call for more help with what may be the worst-ever Ebola outbreak in history, international humanitarian groups are pulling out.
The CDC has issued a level three travel warning for Liberia, Guinea, and Sierra Leone.
"It's a recommendation that people avoid nonessential travel to those three locations."
There is no known cure for Ebola. There is an experimental vaccine, but testing for that vaccine isn't expected until at least September.
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