11/14/2023 0 Comments Data rescue 4 trial"This suggests that the vaccines are a good match for protecting against the currently circulating COVID-19 variants." "In studies that have been recently conducted, the extent of neutralization observed by the updated vaccines against currently circulating viral variants causing COVID-19, including EG.5 and BA.2.86, appears to be of a similar magnitude to the extent of neutralization observed with prior versions of the vaccines against corresponding prior variants against which they had been developed to provide protection," the release says. The spokesperson alluded to a press release issued by the FDA, which states that the updated mRNA vaccines are manufactured using a similar process as previous formulations. The new bivalent shots fight the BA.5 omicron subvariant.Īn FDA spokesperson declined to comment to Newsweek specifically on the testing mechanisms, adding that Pfizer and Moderna could speak more about their protocols. In June, the FDA requested manufacturers to develop a new booster for the fall season to target the then-dominant XBB.1.5 subvariant. ![]() A new round of vaccine boosters was approved on September 12, 2023, for people ages 6 months and older. ![]() Jatniel Hernandez fills syringes with COVID-19 vaccine booster shots at a vaccination clinic in San Rafael, California, on April 6, 2022.
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