with two nurses now battling ebola, there are now new questions about how health officials are responding. abc news has learned that one day before she was hospitalized, health care worker turned ebola patient amber vinson was given permission from the cdc to fly. her temperature at the time, 99.5 degrees. lower than what the cdc classifies as a fever and so she traveled from cleveland to dallas on frontier airlines. >> she should not have traveled on a commercial airline. >> reporter: the cdc saying the risk to other passengers is very low. still, they are reaching out to all of them as vinson boarded another kind of plane. this specialized private jet taking her to atlanta wearing a hazmat suit. she walked into emory university hospital where she's now being cared for by experts in their bio containment unit. her colleague, nurse nina pham continues being treated in dallas at the same hospital where both contracted the virus. >> she's just so positive.