CNBC’s ‘Squawk Box’ team discusses coronavirus mutations and the delta variant surge with Dr. Scott Gottlieb, former FDA commissioner. 39truebreaking newsbusiness newscablecable newsCNBCCoronaviruscoronavirus immunityCOVID-19COVID19doesn39tfinance newsfinance stockfinancial newsGottliebHerdimmune systemIMMUNITYimmunity39moneymoney tipsnews channelnews stationscottSquawk Box U.S.stock marketstock market newsstocksus newsvideoVITAMINvlogworld newsYouTube