A new Covid variant called XBB.1.5 is driving a new wave of infections. But susceptibility to it is not, as some contend, being fueled by vaccines. Still, the surges of ever more immune-evasive variants raise legitimate questions about whether vaccines and boosters are still protecting us from infection, or should only be recommended for their ability to prevent severe disease and death.https://www.bloomberg.com/opinion/articles/2023-01-05/are-vaccines-fueling-new-covid-variants-like-xbb-1-5-no
