NIH Director warns against ‘premature’ conclusion that omicron will be mild
Dr. Francis Collins explains why it will take two weeks to know how serious the omicron variant will be. #FoxNews Subscribe to Fox News! https://bit.ly/2vaBUvAS Watch more Fox News Video: http://video.foxnews.com Watch Fox News Channel Live: http://www.foxnewsgo.com/ FOX News Channel…