The Johnson & Johnson’s 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.
— NYT: Top Stories
Tag: 72 percent
The Johnson & Johnson’s 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.
— NYT: Top Stories