National Health & Safety AstraZeneca Chastised For For Using Outdated Data To Claim A Vaccine Efficacy Of 79% 4:25pm March 23, 2021 by Joe Palca Health Medical Treatments National Share URL copied to clipboard! Copyright 2021 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered National Jury finds 3 former Memphis police officers not guilty in death of Tyre Nichols Health & Safety In Atlanta, CDC staff reel after recent cuts by Pien Huang 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate