Thomas Nellon (left), 17, and his brother Johnson Nellon, 14, of Liberia smile at their mother in the arrivals area at John F. Kennedy International Airport in New York earlier this month. The brothers received a health screening upon arrival. The U.S. says it will step up screening measures for arrivals from Ebola-affected West African countries. Craig Ruttle/AP hide caption

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Mina Bestman moved to Georgia from Liberia almost 20 years ago. She owns Mina's Cuisine, a West African restaurant that caters to homesick Liberians. Dustin Chambers for NPR hide caption

itoggle caption Dustin Chambers for NPR

Truvada, an FDA-approved drug to help prevent HIV infection, is among the AIDS drugs that fill pharmacy shelves at the Whitman-Walker clinic, a Washington, D.C., community health center. Astrid Riecken/MCT/Landov hide caption

itoggle caption Astrid Riecken/MCT/Landov

Jan. 29, 2014: Traffic is snarled along the I-285 perimeter north of Atlanta's metro area after an ice and snow storm passed through. Officials hope such a scene isn't repeated. David Tulis/AP hide caption

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Contractors, volunteers and members of the Georgia National Guard helped move this car on Thursday. It was one of more than 2,000 vehicles abandoned Tuesday when a wicked winter storm left roads covered in ice. Brant Sanderlin /MCT/Landov hide caption

itoggle caption Brant Sanderlin /MCT/Landov

Staff Sgt. Anthony Orsi, left, and Staff Sgt. Raymond Novak of the Army National Guard helped Lauren Gates (in vehicle) retrieve her car Thursday from the Cumberland Boulevard exit ramp along I-75 North in Atlanta. Guard members and police were working to reunite drivers with more than 2,000 cars. Daniel Shirey/Getty Images hide caption

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Actress Reese Witherspoon in a photo provided by the City of Atlanta Department of Corrections after her arrest early Friday on a disorderly conduct charge. AP hide caption

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