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J&J COVID-19 shot gets better boost from Moderna or Pfizer in NIH study

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Reuters

By Carl O’Donnell (Reuters) – People who got Johnson & Johnson Inc’s COVID-19 vaccine as a first shot had a stronger immune response when boosted with vaccines from Pfizer Inc/BioNTech SE or Moderna Inc, a study run by the National Institutes of Health showed on Wednesday. The study, which is preliminary and hasn’t been peer reviewed, is the latest challenge to J&J’s efforts to use its COVID-19 vaccine as a booster in the United States. The study, which included more than 450 adults who received initial shots from Pfizer, Moderna, or Johnson & Johnson, showed that “mixing and matching” booster…

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