NPR identified disparities in the locations of vaccination sites in major cities across the Southern U.S. — with most sites placed in whiter neighborhoods. … The reasons are both unique to each place and common across the region: The health care locations that are logical places to distribute a vaccine tend to be located in the more affluent and whiter parts of town where medical infrastructure already exists. That presents a challenge for public health officials who are relying on what's already in place to mount a quick vaccination campaign.