FF: CDC can go even further with mask guidelines: Dr. Marc Siegel ((foxandfriends_____)) ((lubuntu at wor2 670N))

="//video.foxnews.com/v/6250867229001">CDC can go even further with mask guidelines: Dr. Marc Siegel

CDC provides updated guidelines for Americans that have been vaccinated. Fox News medical contributor Dr. Marc Siegel weighs in on 'Fox & Friends.'