Ebola Doctors
Lindsey Tanner/AP
In this photo from Monday, Oct. 6, 2014, Dr. Michael O’Connor , left, and Dr. Mark Nunnally, learn how to use personal protective gear during Ebola preparedness training at the University of Chicago. U.S. hospitals are preparing for possible Ebola patients; the only one diagnosed so far in this country is being treated in Texas, while the outbreak in Africa has killed more than 3,400 people.