make clear just how explosive the omicron variant is right now. let me put this up as we take a look at it right here. this is cases all the way back to the beginning. nearly 70 million americans, that's what you see here, nearly 70 million americans have had the coronavirus in the 732 days all the way back here since the first infection was recorded in the united states. get this. look to the right of your screen here. more than 25% of these cases, more than 25,ing 18 million are just from the past 28 days. 5 million of those cases just from the last week alone. let's get some insights and expertise from dr. peter hotez, the dean of medicine at baylor. when you see 5 million cases just in the past week, it makes it more important the study from the cdc, vaccines and the boost efforts and the effects on omicron. the cdc says boosters are 90% effective. if you have only two shots that's 57% effective.