Full Coverage
Staying power: does Moderna’s vaccine have edge on Pfizer?
By Hannah Kuchler
As mandates roll out, some may ask for medical exemptions. What's really valid?
By Jacqueline Stenson
Trump Says He Is Unlikely to Get Covid-19 Vaccine Booster Shot
By Michael Charles Bender
Why is a third COVID-19 vaccine dose important for people who are immunocompromised?
By Kylie M. Quinn & Emily Edwards
Moderna seeks U.S. authorization for COVID-19 vaccine booster
By Michael Erman & Manojna Maddipatla
