Natural immunity was six times stronger during the delta wave than vaccination, according to a new report from the U.S. Centers for Disease Control and Prevention. https://t.co/LtgpmFxTny— FOX31 Denver KDVR (@KDVR) January 21, 2022
Natural immunity was six times stronger during the delta wave than vaccination, according to a new report from the U.S. Centers for Disease Control and Prevention. https://t.co/LtgpmFxTny