Chicago teachers return to their classrooms Tuesday after a dispute over Covid safety protocols canceled a week of classes in America’s third-largest school district. Meantime, reports show New York may have already hit its peak of omicron cases. And Pfizer announces it will have an omicron-specific vaccine by March, but some are questioning whether we’ll still need it. Dr. Vin Gupta weighs in.Jan. 11, 2022
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