'Mix and Match' COVID-19 study finds Pfizer or Moderna boosters may be best for J&J vaccine

'Mix and Match' COVID-19 study finds Pfizer or Moderna boosters may be best for J&J vaccine

USATODAY.com

Published

The National Institutes of Health study found that the J&J shot followed by one of the mRNA vaccines as a booster produced a stronger immune response.

Full Article