NFL Dr Allen Sills says a “very large percentage” of cases have no symptoms. He speaks to the changing face of COVID, which is an Omicron variant that is more contagious and more mild— Ian Rapoport (@RapSheet) December 15, 2021
NFL Dr Allen Sills says a “very large percentage” of cases have no symptoms. He speaks to the changing face of COVID, which is an Omicron variant that is more contagious and more mild