Vaccines vs. viral variants
Mar 05, 2021
3 minutes
By Alice Park
PHOTOGRAPH BY BRYAN ANSELM
The Brief is reported by Jenna Caldwell, Madeleine Carlisle, Alejandro de la Garza, Amy Gunia, Suyin Haynes, Sanya Mansoor, Ciara Nugent, Billy Perrigo, Madeline Roache and Olivia B. Waxman
T’S ONE THING TO TEST A VACCINE IN A controlled study, and another to see it in action in the real world. Since the first COVID-19 vaccines were approved at the end of 2020, more than 250 million people around the world have been vaccinated, and public-health experts are starting to see how the
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