A local Liberian artist paints a mural forming part of the country's fight against the deadly Ebola virus by education in the city of Monrovia, Liberia, Tuesday, Sept. 23, 2014. U.S. health officials Tuesday presented worst-case and best-case scenarios for the Ebola epidemic in West Africa, calculating that as many as 1.4 million people could be sickened in two countries alone by mid-January _ or the outbreak could be winding down by then, if control efforts substantially increase. (AP Photo/Abbas Dulleh)
A local Liberian artist paints a mural forming part of the country's fight against the deadly Ebola virus by education in the city of Monrovia, Liberia, Tuesday, Sept. 23, 2014. U.S. health officials Tuesday presented worst-case and best-case scenarios for the Ebola epidemic in West Africa, calculating that as many as 1.4 million people could be sickened in two countries alone by mid-January _ or the outbreak could be winding down by then, if control efforts substantially increase. (AP Photo/Abbas Dulleh) AP
A local Liberian artist paints a mural forming part of the country's fight against the deadly Ebola virus by education in the city of Monrovia, Liberia, Tuesday, Sept. 23, 2014. U.S. health officials Tuesday presented worst-case and best-case scenarios for the Ebola epidemic in West Africa, calculating that as many as 1.4 million people could be sickened in two countries alone by mid-January _ or the outbreak could be winding down by then, if control efforts substantially increase. (AP Photo/Abbas Dulleh) AP

Up to 1.4 million could become infected with Ebola, CDC says

September 23, 2014 5:27 PM