All of the authorized COVID-19 vaccines are effective at preventing symptomatic disease. Yet Fox News host Tucker Carlson baselessly casts doubt on the effectiveness of the vaccines, because federal officials urge fully vaccinated people to wear masks in public settings.
Moderna’s mRNA vaccine is the second COVID-19 vaccine to be authorized and fully approved for use in the U.S. Here, we give a rundown of basic facts about the vaccine and an overview of how it works.
Three COVID-19 vaccines are now authorized in the U.S. In this story, we answer some common questions about the shots.
A primer on the first COVID-19 vaccine to receive authorization and approval in the U.S.