The Ebola epidemic spreading across West Africa is now fueling fears around the world.
The Peace Corps is currently evacuating three countries, where the number of patients is growing.
On Thursday it is being called a major public health emergency.
Two American missionaries, who contracted the virus, are now in isolation in Liberia. They are said to be showing slight improvement.
The U.S. Peace Corps is pulling hundreds of volunteers from Liberia, Sierra Leone and Guinea.
State department officials said there are no plans at this point, to issue travel restrictions to any of those countries.
Ebola is different from other viruses like the flu. It spreads only through close contact with bodily fluid.
Hospitals and emergency rooms are now asking patients about heir recent travel history.
Health officials maintain the chances of Ebola coming to U.S. are low.