CDC estimates 140 million Americans have had COVID, about double case reports

About 37 million infected in omicron wave, and 58% of kids were infected at some point.

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[No one you know]

43% have had covid, 65% have been vaccinated, which means that some percentage has some measure of resistance to serious infection. And that is all I can say. You can't just add both figures and have it equal "herd immunity"