Ebola Returns: 2nd Case of Relapse Raises Questions

Scottish nurse Pauline Cafferkey — who became sick with Ebola about a year ago and recovered, but then became very ill again last week with what may be a relapse of the deadly virus — is now improving. "Pauline Cafferkey's condition has improved to serious but stable," representatives from London's Royal Free Hospital said in a statement Monday (Oct. 19). Hospital representatives said on Oct. 9 that the nurse had developed an "unusual late complication" of the virus, and reported las