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Coronavirus even as we're getting hospitals strain under the surge across the country. here i am in massachusetts. from massachusetts to hawaii, omicron has been detected in 21 states. it may spread more swiftly but thus cautious optimism that the illness is not as severe. newly released data from pfizer shows three doses is the trick needed. pfizer noting that lab studies showing that third dose increases anti-bodies by 25 fold. the report coming from pfizer comes after a south african study shows the vaccine was less effective than omicron than older variants of the coronavirus. today presid...

Span bath? the vaccines are working. if you were around everybody who has been vaccinated, man, they're working. >> willie has breaking news on that. >> on that topic, pfizer announced lab studies show a third dose, the booster of their covid-19 vaccine, neutralizes the omicron variant. that is incredible news. >> wow. >> great news. >> amazing. >> we haven't heard from moderna on this question. if you have the pfizer biontech vaccine, the third dose, getting the booster neutralizes the omicron variant, which will be peace of mind and great news about keeping things open here the next stretch ...

Good news this morning. especially after we got data from south africa last night that showed after two doses you saw a 40-fold reduction in neutralizing affecting cells against omicron. this morning pfizer-biontech saying a full reconstruction in antibodies. with a third, up by 25 fold. looks you can restore antibodies to level that protect against infection. two doses may stilling protection against severe disease because of other parts of the immune system like t cells. still continuing to work on omicron-specific vaccine in case that's needed and expect more data from lab studies to help m...

Promising news this morning on how well vaccines may work to fight the omicron variant of covid-19. pfizer ceo says preliminary lab studies show three doses of this vaccine are able to neutralize this new strain. >> three doses against omicron are almost equivalent to the two doses effectiveness of the original variant. we are waiting to see. you may need to go to get the third booster faster, and that's something that the health authorities should consider very carefully and make their recommendations. >> three shots to neutralize the strain. that's important. we're going to have much more on...

Two boys. but do you have any friends who have been reunited or -- >> you're cleaning that up right there. >> my children better not be watching. >> i'm sure you love them both equally. >> obviously. >> obviously. >> cnn's coverage continues right now. >> i'm so in trouble. good wednesday morning. i'm erica hill. >> i'm jim sciutto. we're following two developing stories this hour including the first real evidence that existing vaccines may protect against the new omicron variant. this morning, the ceo of pfizer says preliminary lab studies show that three doses of its vaccine, two shots plu...