The Ebola outbreak in West Africa could spread to hundreds of thousands more people by the end of January, according to an estimate under development by the U.S. Centers for Disease Control and Prevention that puts one worst-case scenario at 550,000 or more infections.米疾病対策センターの試算によると、西アフリカでのエボラ流行は、1月末まで数十万人に広がり、最悪のシナリオでは55万人を超す。