Science Health & Safety Where Vaccines To Prevent COVID-19 Stand 4:13pm April 02, 2020 by Joe Palca Science Health Medical Treatments 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 World News A U.S. doctor in Gaza wants President Biden to know 'we are not safe' Arts Life Kit: tips on lending money by Andrew Limbong 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate