17th May 2020
Can herd immunity help stop the coronavirus? Experts warn it’s not that easy.
Health professionals and officials continue to warn that there is no easy way out of the pandemic, particularly with parts of the U.S. beginning to ease lockdowns. Dr. Mike Ryan, the World Health Organization’s emergencies director, offered some stern words Wednesday about hopes that herd immunity could stymie the coronavirus. “Humans are not herds,” he said. Herd immunity has emerged...