Health Correspondent Allison Aubrey) updates us on the Biden Administration's goal to have 70 percent of U.S. adults vaccinated by the July 4. Plus, as vaccine makers plan for the possibility that COVID-19 vaccine boosters will be needed, they're pushing ahead with research into new-generation flu shots and mRNA cancer vaccines. Questions? Existential dread? Optimism? We'd love to hear it — write us at [email protected]).Learn more about sponsor message choices: podcastchoices.com/adchoices)NPR Privacy Policy)
