Slaoui: Vaccinated People Still Need to Wear Masks as Long as Herd Immunity Has Not Been Attained

Dr. Moncef Slaoui, former chief scientific adviser of Operation Warp Speed, the vaccine development effort for the Trump administration, told CBS’s “Face the Nation” that he thinks people who have been vaccinated still need to wear masks as long as herd immunity levels have not been attained. Read Full Story