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Next on FDA's agenda: Booster shots of Moderna, J&J vaccines
By Lauran Neergaard & Matthew Perrone
White House tells governors: Get ready to start vaccinating kids
By Anne Flaherty & Katherine Faulders
White House tells states to prepare for Covid vaccinations in young children
By Shannon Pettypiece
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U.S. FDA staff says Moderna did not meet all criteria for COVID-19 boosters
By Michael Erman & Julie Steenhuysen
A primer on what we know about mixing and matching Covid vaccines
By Helen Branswell
Fully Vaccinated and Had Covid-19? No Rush for a Booster Shot, Experts Say
By Felicia Schwartz
U.S. will accept WHO-approved COVID-19 vaccines for international visitors
By David Shepardson