Booster may be needed for J&J shot as Delta variant spreads; some experts already taking them

Retrieved on: 2021-06-29 15:56:15

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Booster may be needed for J&J shot as Delta variant spreads; some experts already taking them. View article details on hiswai:

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(Reuters) — Infectious disease experts are weighing the need for booster shots of the Pfizer/BioNTech or Moderna mRNA-based vaccines for ...

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