[YTN 기사원문] http://www.ytn.co.kr/_pn/1207_201409041017329171
The director of the U.S. Centers for Disease Control and Prevention (CDC) warned that the window of opportunity to tamp down the Ebola outbreak is closing.CDC Director Tom Frieden recently visited the West African countries worst hit by the Ebola virus, including Liberia, Sierra Leone and Guinea. Up…

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