Science Health & Safety CDC Says Front-Line Essential Workers, Elderly Should Be Next For Vaccine 7:48am December 21, 2020 by Rob Stein Science Health Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2020 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered Health & Safety COVID vaccine researcher discusses CDC's new guidelines National Experts putting together Revolutionary War-era ship found at World Trade Center site 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate