The effort to immunize more Americans against the coronavirus now includes major retail pharmacy chains.

National drugstore chains CVS Health and Walgreens are among the more than 20 major retailers getting supplies of COVID-19 vaccines from the federal government this week. But getting a shot isn't as easy as walking through the pharmacy door. Indeed, consumers are being discouraged from flocking to the stores, but rather get in line by making an appointment online or the phone. 

source: cbsnews.com