A Marietta police officer stops traffic during the morning commute on the busy U.S. Highway 41 while a motorcade transporting an American infected with the deadly Ebola virus from West Africa leaves Dobbins Air Reserve Base, Marietta, Georgia, Sept. 9, 2014.
A person wearing a hazmat suit steps out of an ambulance as an Ebola patient arrives for treatment, Atlanta, Georgia, Sept. 9, 2014.
An ambulance transporting an American infected with the deadly Ebola virus leaves Dobbins Air Reserve Base in Marietta, Georgia headed for Emory University Hospital in Atlanta, Sept. 9, 2014.
This house, a family compound, is where 33 people are being quarantined after a 21-year-old student from Guinea infected with the Ebola virus came to stay with his uncle about two weeks ago, in Dakar, Senegal, Sept. 2, 2014.
A health worker is sprayed with disinfectant after he worked with patients infected with the Ebola virus, at a clinic in Monrovia, Liberia, Sept. 8, 2014.
Ebola health care workers' protective gear, including gloves and rubber boots, dries in the sun after being washed at a clinic in Monrovia, Liberia, Sept. 8, 2014.
Health workers care for patients infected with the Ebola virus, at a clinic in Monrovia, Liberia, Sept. 8, 2014.
A health worker uses a thermometer to screen a man's temperature at a makeshift road block run by Guinean security forces near the town of Forecariah, Guinea, Sept. 7, 2014.
Rendi Murphree, an epidemiologist with the Centers for Disease Control and Prevention packs for her trip to Monrovia, Liberia, at her home in Nashville, Tennessee, Sept. 5, 2014.
Health workers load the body of an amputee suspected of dying from the Ebola virus into the back of a truck, Monrovia, Liberia, Sept. 2, 2014.