FDA Clears Moderna, J&J Boosters and Backs Vaccine Mixing
The U.S. Food and Drug Administration cleared a broad path for millions more Americans to receive Covid-19 vaccine booster shots, as the nation...
Pfizer Shifts 4-and-Under Study to Focus on 3 Doses
Pfizer Inc. and BioNTech SE plan to study a three-dose regimen of their Covid-19 vaccine in young children 6 months to 4 years old, a move that...



