In November, a scientific paper estimated millions of years of life could be lost due to prolonged school closures in the U.S. The paper has since been corrected and critiqued.
Dozens of protesters gathered at the entrance to one of the nation's largest mass-vaccination sites, leading officials to shut down the entrance for an hour.
Environmental racism means that people of color experience more air and water pollution than white people, and suffer the health impacts. Can Biden change that?
NPR's Ari Shapiro speaks with Judette Louis, president of the Society for Maternal-Fetal Medicine, about the lack of data on how COVID-19 vaccines affect pregnant people.