Here's Who Needs A Booster Shot For COVID And Who Probably Doesn't : Shots - Health News : NPR
How 'mix and match' COVID-19 booster shots work, according to an infectious disease expert | PBS NewsHour
CDC on X: "Wondering if you need a #COVID19 booster shot? If you received your second dose of the Pfizer-BioNTech COVID-19 Vaccine at least 6 months ago, use this chart to determine
U.S. makes 16- and 17-year-olds eligible for COVID-19 boosters | Reuters