‘Mix and Match’ COVID-19 study finds Pfizer or Moderna boosters may be best for J&J vaccine
Elizabeth Weise, USA TODAYComments Off on ‘Mix and Match’ COVID-19 study finds Pfizer or Moderna boosters may be best for J&J vaccine
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.