Children play on the beach nearby a ferry port linking the Lungi International Airport and the downtown of Freetown, capital of Sierra Leone, on Aug. 14, 2014. As of Aug. 11, the cumulative number of cases attributed to Ebola virus disease in Guinea, Liberia, Nigeria, and Sierra Leone stands at 1,975, including 1,069 deaths. (Xinhua/Meng Chenguang)