Johnson & Johnson’s Vaccine Offers Strong Protection but Fuels Concern About Variants by BY CARL ZIMMER, NOAH WEILAND AND SHARON LAFRANIERE

The vaccine’s efficacy rate dropped from 72 percent in the United States to just 57 percent in South Africa, where a highly contagious variant is driving most cases.

Published: January 29, 2021 at 02:00PM

from NYT Health