Hackers broke into all the pharmaceutical companies and stold all the medial data on vaccines thank God. As it stands Pfizer. Covid 19 Vaccine Faqs Singing River Health System That one Johnson Johnson shot and one shot from Pfizer or Moderna gave better. . There were 133 cases of myocarditis per 100000 in people 12 to 29 years old who got Modernas vaccine compared to 27 cases per 100000 people in that age group that got the Pfizer vaccine. Yet that decrease is trivial Dr. FDA approves for kids ages 12-15 shortens waiting period. Millions of eligible Americans can now get a Covid vaccine booster shot from Pfizer Johnson Johnson or Moderna. Everyone 12 and up can now receive the Pfizer COVID-19 booster shot only five months after their initial Pfizer series. What We Know as Pfizer Moderna Prepare New Shots With booster shot eligibility and guidance changing the omicron variant has already caused a shift as. ...