National Health & Safety CDC advisers recommend limiting the use of the J&J vaccine due to rare blood clots 5:03pm December 16, 2021 by Pien Huang Health Medical Treatments National Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2021 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered National What the jury in the Sean Combs trial will be deliberating by Anastasia Tsioulcas National The latest in the deadly firefighter ambush in Idaho by Kirk Siegler 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate