One Vaccine to Rule Them All
The pandemic is at its worst, globally, and expert eyes are trained on the role of new variants. Catastrophic surges are tearing across places where some thought the darkest days were already over. In India, where hospitals are running out of oxygen and COVID-19 cases are increasing exponentially, officials are concerned about a “double mutant” version of SARS-CoV-2 called B.1.167.