Scientists studying the virus’s continuing evolution, and the body’s immune responses, hope to head off a resurgence and to better understand long Covid. By Apoorva Mandavilli Apoorva Mandavilli has ...

As omicron subvariant BA.5 continues to drive the coronavirus’ spread in the United States, I’ve been thinking about what could come next. Omicron and its offshoots have been topping the variant ...

Mutations in the new coronavirus could reduce the effectiveness of vaccines against it. But vaccines themselves can also drive viral mutations, depending on exactly how the shots are deployed and how ...

In the wake of findings that COVID-19 virus variants are more likely to spring from patients with weakened immune systems, leading medical experts are calling for heightened precautions in the ...

Researchers in the United States and India have presented the first known evidence that the rollout of coronavirus disease 2019 (COVID-19) vaccination is restricting the evolutionary and immune escape ...