All coverage
Pfizer Scaled Back 2020 COVID-19 Vaccine Production Targets From 100 Million to 50 Million Doses
By Robert Langreth
What it feels like to get an mRNA coronavirus vaccine
By Andrea Kane
More Than 12.7 Billion Shots Given: Covid-19 Tracker
By Michelle Cortez, Valentina Fuentes & John Boudreau
COVID-19 vaccine distribution's 'last mile' poses huge challenges
By Tina Hesman Saey