ããã¾ã§ãããå¤ãã®ææè ã»æ»äº¡è æ°ãåºã¦ããã¨ãã©ã¢ã¦ããã¬ã¤ã¯ãããããã¦ã£ã«ã¹ãç¹ã«å¤ãã£ãããã§ã¯ãªããä¼çµ±æåãå½å¤ããã®å»çæ¯æ´ã¸ã®æµæã¯ããã¾ã§ããã£ããä½ãéã£ã¦ãããã¨ããã¨ãããã½ã¿å¤§å¦ææçç 究åã³å¯¾çã»ã³ã¿ã¼é·ã®Dr. Michael T. Osterholmã«ããã°...Whatâs different about this outbreak? The Ebola virus hasnât changed; Africa has changed. First, residents of the affected countries ï¼ Guinea, Liberia and Sierra Leone ï¼ travel much farther and have many more contacts than they did in previous decades
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