The Latest on the Ebola outbreak in Liberia and Sierra Leone

The U.S. is facing its most deadly Ebola outbreak on record, with at least 3,500 confirmed cases and 2,800 deaths, the World Health Organization said Thursday.The number of confirmed Ebola cases is nearly three times the number of deaths, which have so far been more than 7,500, according to the agency.The Ebola outbreak is now…