Ambulance that transported patient was in service for two more days . Crew that transported the patient to the hospital has been isolated . The CDC is working with local health departments and other agencies on this investigation. Ebola virus : 9 things to know about the killer disease . The patient recently arrived in the United States from Liberia .
Ambulance that transported patient was in service for two more days . Crew that transported the patient to the hospital has been isolated . The CDC is working with local health departments and other agencies on this investigation. The patient recently arrived in the United States from Liberia .