Disappointing Chinese Vaccine Results Pose Setback for Developing World
Brazil says CoronaVac has an efficacy rate just over 50 percent, much lower than previously announced. More than 380 million doses have already been ordered.... Read More
Source: NYTimes.com
Published: 2021-01-13T05:24:59-05:00
Author: By Sui-Lee Wee and Ernesto Londoño