[ad_1] CHICAGO—With dumbfounded question marks and astounded exclamation points littering the margins of almost every page, the handwritten annotations found Wednesday in a secondhand copy of...
[ad_1] A new subvariant of SARS-CoV-2 is rapidly taking over in the U.S.—the most transmissible that has ever been detected. It’s called XBB.1.5, in reference to...