ATLANTA (AP) — After nearly three weeks of treatment, the two American aid workers who were infected with the deadly Ebola virus in Africa have been discharged from an Atlanta hospital, officials said Thursday. An official at Emory University Hospital stressed that their release poses no public health risk, and Dr. Kent Brantly, 33, called it a “miraculous day.” “I am thrilled to be alive, to be well, and to be reunited with my family. As a medical missionary I never imagined myself in this position,” Brantly said. He spoke at a news conference after his release Thursday. Nancy Writebol,...