The study suggested that those who got the JJ one-shot vaccine would be better protected from COVID-19 if they got the Moderna or Pfizer. If You Got JJ Vaccine Consider Moderna Pfizer Booster March 30 2022 -- The 17 million Americans who received the one-shot Johnson Johnson COVID-19 vaccine are less protected against. Fda Grapples With Timing Of J J Covid Vaccine Booster Modern Healthcare 30 micrograms and 05 milliliters respectively. . An up or down vote is expected by early afternoon. Based on the ACIP data I am recommending my patients who had the JJ vaccine to get either of the mRNA vaccines Moderna or Pfizer. After this time period they need to get 1 booster to be considered up to date. The best way to prevent long COVID is to be vaccinated and the best way to prevent long COVID is to not get COVID del Rio adds. Asked whether the JJ shot and one booster is enough the. But the best way to bolster antibodies in people ...