Photos: Second Texas healthcare worker tests positive for Ebola
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An ambulance carrying Amber Vinson, the second health care worker to be diagnosed with Ebola in Texas, arrives at Emory University Hospital on Wednesday, Oct. 15, 2014 in Atlanta. A joint emergency isolation unit administered by Emory University Hospital and the Centers for Disease Control and Prevention has successfully treated two Americans and is currently treating a third. (AP Photo/David Tulis)