All coverage
FDA Head Defends Covid-19 Vaccine-Approval Process
By Thomas M. Burton
Pfizer Scaled Back 2020 COVID-19 Vaccine Production Targets From 100 Million to 50 Million Doses
By Robert Langreth
More Than 12.7 Billion Shots Given: Covid-19 Tracker
By Janice Kew, Emma Court & Michelle Cortez
'Absolutely normal': Covid vaccine side effects are no reason to avoid the shots, doctors say
By Allyson Chiu
COVID-19 vaccine distribution's 'last mile' poses huge challenges
By Tina Hesman Saey