Updated versions of the mRNA vaccines roll out this week. Experts say they offer good protection against current COVID variants. Who should get them, and when's the best time to roll up your sleeve? Learn more about sponsor message choices: <a href="https://podcastchoices.com/adchoices" target="_blank" rel="noreferrer noopener">podcastchoices.com/adchoices</a> <a href="https://www.npr.org/about-npr/179878450/privacy-policy" target="_blank" rel="noreferrer noopener">NPR Privacy Policy</a>

Updated versions of the mRNA vaccines roll out this week. Experts say they offer good protection against current COVID variants. Who should get them, and when's the best time to roll up your sleeve?Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

Updated versions of the mRNA vaccines roll out this week. Experts say they offer good protection against current COVID variants. Who should get them, and when's the best time to roll up your sleeve? Learn more about sponsor message choices: <a href="https://podcastchoices.com/adchoices" rel="noopener noreferrer">podcastchoices.com/adchoices</a> <a href="https://www.npr.org/about-npr/179878450/privacy-policy" rel="noopener noreferrer">NPR Privacy Policy</a>

Share What to know about the new COVID boosters

Sign up to save your podcasts

What to know about the new COVID boosters

What to know about the new COVID boosters