CDC signs off on Pfizer and Moderna's updated Covid-19 boosters that target Omicron subvariants, clearing the way for shots to begin.
The CDC's Advisory Committee on Immunization Practices voted 13 to 1 earlier in the day to recommend updated mRNA boosters for Americans this fall.Everything you need to know about the updated Covid-19 boostersWalensky's decision means the shots could be available by Friday, according to pharmaceutical manufacturers, which began shipping the new doses after the US Food and Drug Administration authorized them Wednesday.
In mice bred to have human ACE-2 receptors, the two-strain vaccines against BA.4 and BA.5 protected better against infections in their lungs, compared with the original vaccine.About two-thirds of the total US population is vaccinated against Covid-19 with an initial series, according to data from the CDC. But less than half of those with their initial series -- and less than a third of the total population -- has also gotten a booster.
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