New lab data suggest that vaccines and prior infections may not offer enough protection against several new COVID-19 variants cropping up in the U.S. and around the world. Dr. David Ho, director of Columbia University’s Aaron Diamond AIDS Research Center (ADARC), and his team reported the results from a set of studies at an ADARC symposium. They showed how well some of the latest variants—BQ.1, BQ.1.1, XBB, and XBB.1, which were all derived from Omicron—are evading both vaccine-derived and infection-derived immunity. These new variants all have mutations in the region that binds to cells and infects them, which means that...