U.S. health regulators significantly widened the nation’s Covid-19 booster campaign, clearing use of extra doses of Moderna Inc. and Johnson & Johnson vaccines and also saying people can get a shot that is different from what they had previously received.
The moves, announced by the Food and Drug Administration on Wednesday, will make boosters available to the majority of adults who have been fully vaccinated and have passed the recommended waiting period.
People who got Johnson & Johnson Inc’s (JNJ.N) COVID-19 vaccine as a first shot had a stronger immune response when boosted with vaccines from Pfizer Inc (PFE.N)/BioNTech SE or Moderna Inc (MRNA.O), a study run by the National Institutes of Health showed on Wednesday
FDA officials on Wednesday said J&J's regulatory submission for its planned booster raised red flags including small sample sizes and data based on tests that had not been validated.
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