We're in another unsettling moment in the pandemic. Even people who are vaccinated are wondering if it's time to be cautious again, given the rise in cases, the fast-spreading Delta variant and reports of vaccinated people testing positive. NPR health correspondent Allison Aubrey offers some guidance and answers questions on what we know about the Delta variant.Learn more about sponsor message choices: podcastchoices.com/adchoices)NPR Privacy Policy)
