The Allie Henderson who stepped out of her mother’s car to a driveway full of cheering friends and family holding “Welcome Home” signs was a wisp of her former self. After 10 days in the hospital with a near-fatal case of covid inflammatory syndrome, the then-13-year-old softball phenom and beloved, straight-A student was lethargic and

Of the 203 million people who have received at least one dose of a covid-19 vaccine, more than 9 million have enrolled in a program to share information about their health since getting the shot. The initiative was created for the covid-19 vaccines to complement the Centers for Disease Control and Prevention’s vaccine safety monitoring