Photos: Two Americans diagnosed with Ebola virus

The driver of the ambulance believed to be carrying Dr. Kent Brantly from Dobbins Air Reserve Base outside Atlanta to Emory University Hospital wears mask, gloves and a protective suit. (John Bazemore / Associated Press)

July 31, 2014 6:28 PM PT

Two Americans, Dr. Kent Brantly and Nancy Writebol, contracted the Ebola virus while doing volunteer work in Liberia.

Ambulance departs Dobbins Air Reserve Base

An ambulance carrying Dr. Kent Brantly, an American physician who contracted the Ebola virus in Liberia, departs Dobbins Air Reserve Base outside Atlanta headed for Emory University Hospital, where Brantly will be treated in an isolation unit. (John Bazemore / Associated Press)