For the past couple of weeks, some Americans have reported a curious phenomenon: They have caught the coronavirus despite being vaccinated.
Vaccines are still doing their job by protecting against serious illness and hospitalization, but the frequency of so-called breakthrough infections has surprised experts.
How do such cases happen, and what risks do they pose?
Guest: Apoorva Mandavilli, a science and global health reporter for The New York Times.
For more information on today’s episode, visit nytimes.com/thedaily. Transcripts of each episode will be made available by the next workday.