Pfizer asks FDA to clear updated COVID shot for kids under 5.
: Just 2% of tots under 2 and about 4% of 2- to 4-year-olds have gotten their primary doses so far, according to the Centers for Disease Control and Prevention. Those combination shots contain half the original vaccine and half tweaked to match the BA.4 and BA.5 omicron strains that until recently were dominant. Now BA.5 descendants are responsible for most COVID-19 cases.
showing that an updated booster, using either company’s version, does offer added protection to adults. The analysis found the greatest benefit was in people who’d never had a prior booster, just two doses of the original COVID-19 vaccine -- but that even those who’d had a summertime dose were more protected than if they’d skipped the newest shot.The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Science and Educational Media Group.
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