Woman , who was flown back Thursday , is being treated at the Royal Free . The woman has been in a coma for two weeks and doctors are still trying to determine what caused her brain injury. Three colleagues have been discharged while one is still under observation .
Woman , who was flown back Thursday , is being treated at the Royal Free . Four military workers who came into contact with her were also flown back . Three colleagues have been discharged while one is still under observation .