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A study of COVID vaccine boosters suggests Moderna or Pfizer works best

A study by the National Institutes of Health this week suggests people who got the J&J vaccine as their initial vaccination against the coronavirus may get their best protection from choosing an mRNA vaccine as the booster. (Los Angeles Times/Getty Images)
A study by the National Institutes of Health this week suggests people who got the J&J vaccine as their initial vaccination against the coronavirus may get their best protection from choosing an mRNA vaccine as the booster. (Los Angeles Times/Getty Images)

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