A Liberian soldier, left, mans a checkpoint to control the movement of people as authorities try to prevent the Ebola virus from spreading on the outskirts of Monrovia, Liberia, Thursday, Aug. 7, 2014. Soldiers clamped down on people trying to travel to Liberia’s capital Thursday from rural areas hard-hit by the Ebola virus hours after the president declared a national state of emergency. (AP Photo/Abbas Dulleh)