The Pfizer-BioNTech vaccine was said to be 95% effective.Ī new CDC study reported that a single dose of Pfizer's or Moderna's COVID vaccine was 80% effective in preventing infections. In clinical trials, Moderna's vaccine reported 94.1% effectiveness at preventing COVID-19 in people who received both doses. Those studies were done before troubling new variants, or versions of the coronavirus, had emerged and started to spread. Research has also suggested the protection the Moderna vaccine gives against COVID-19 lasts for at least six months.īoth reports were based on follow-up tests in dozens of people who received the shots during studies that led to the vaccines’ use.
MODERNA SIDE EFFECT PROFILE TRIAL
Pfizer and BioNTech said previously that data from their Phase 3 trial showed high levels of protection against COVID six months after second doses. Here's a breakdown of what we know so far about each vaccine: How Long Does the Pfizer Vaccine Last? What About Moderna? "But honestly the most important thing is just to get one."Īccording to medical experts, the three vaccines currently available each offer protection. "Whereas if I have somebody who really wants to make sure they're getting sort of the highest level of protection, or maybe they have a history of immunocompromised or another disease, and they want to come back, you know, I might recommend the Pfizer or Moderna," she said. She went on to say that for some others, she might actually recommend the Pfizer or Moderna two-shot vaccines. Sign up for the weekly Chicago Catch-Up newsletter here. Feeling out of the loop? We'll catch you up on the Chicago news you need to know.
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