outcomes. yeah, so even if it s less severe, still highly transmissible, which could add up in the numbers, we ve seen this before. dr. ashton with her exclusive at the cdc today. whit johnson with us now live. and we know the cdc director made news tonight, revealing what we know so far about the 40 or so cases of omicron they ve already found here in the u.s. what can you tell us? reporter: yeah, david, dr. walensky says more than 40 people in the u.s. have been infected with the omicron variant so far. more than three-quarters of them were fully vaccinated. and about a third had received booster shots. but she says so far nearly all of those cases have been mild. david? mild and that was encouraging, as well. whit johnson tonight. whit, thank you. we know you have a lot of questions at home, so, as always, dr. ashish jha back wi c likegh till b . iaveed aut antibody response several times on our air and now pfizer saying early