May 18, 2024



Booster may be needed for J&J shot as Delta variant spreads

Fox Business


June 27, 2021

NEW YORK -Infectious disease experts are weighing the need for booster shots of the Pfizer/BioNTech or Moderna mRNA-based vaccines for Americans who received Johnson & Johnson’s one-dose vaccine due to the increasing prevalence of the more contagious Delta coronavirus variant.

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