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COVID-19: mRNA booster vaccine offers best protection against Omicron


Omicron
Vanderbilt University Medical Center
MNT
Schaffner
Pfizer-BioNTech or Moderna
Johnson & Johnson).The
the Ragon Institute of Massachusetts General Hospital
Massachusetts Institute of Technology
Harvard
COVID-19
Delta
Omicron.”In
White House
the Centers for Disease Control and Prevention
CDC
here.mRNA


William Schaffner
Cell
Chelsea
Dr. Schaffner
Rochelle P. Walensky


COVID-19
mRNA

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South Africa
Botswana
the United States
Nashville
U.S.
Massachusetts

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Positivity     36.00%   
   Negativity   64.00%
The New York Times
SOURCE: http://www.medicalnewstoday.com/articles/covid-19-mrna-booster-vaccine-offers-best-protection-against-omicron
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Summary

Boosters can help combat diminishing neutralizing antibody responses, but it is unknown how well current vaccines protect against Omicron.This led researchers at the Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard to conduct a study to investigate the effectiveness of the primary series of COVID-19 vaccines and a booster dose of an mRNA vaccine.They study’s results appear in the journal Cell. However, only the participants receiving the booster vaccination demonstrated robust Omicron pseudovirus neutralization, while the other groups showed substantial decreases in neutralization capability.When researchers compared blood samples from the group recently receiving the primary series of the COVID-19 vaccines to those receiving a booster vaccine within the last 3 months, they found that those receiving boosters had a greater scope and cross-reactivity of neutralizing antibody response to the Omicron pseudovirus.The researchers then tested the pseudoviruses’ ability to infect cells with and without the ACE2 receptors.

As said here by Lori Uildriks