FOXNEWS The Story With Martha MacCallum December 2, 2021 20:04:00
Vaccinated and if you are vaccinated, top off your immune system tank with the booster. it's going to be very important given the constellation of mutations with the omicron variant. we don't know that it is more severe and probably isn't more severe. probably like every other variant. the high risk people will be at risk, low risk people will do well. >> martha: thanks, dr. giroir. great to have you here. >> thank you. >> martha: joining me now, fox news contributor medical contributor, dr. marc siegel. doctor, great to have you with us as well. what is your take on what the president just sa...