The tenth Ebola patient to be treated here in the US has died at the Nebraska Medical Center in Omaha. Dr. Martin Salia was flown there after a medical evacuation from Freetown Sierra Leone. Dr. Dan Johnson of the Nebraska Medical Center says that Salia was critically ill when he arrived, suffering from respiratory and kidney failure. Betsy McKay is Atlanta Bureau Chief for the Wall Street Journal. She covers public health and global health issues.