Health
Pfizer Covid Vaccine provides less antibody over time compared to Moderna
/cloudfront-us-east-1.images.arcpublishing.com/gray/XMOMMQ3PVFB4LCXURYPK4BBLYU.jpg "Pfizer Covid Vaccine provides less antibody over time compared to Moderna")
Richmond, Virginia (WWBT)-According to a new study from the University of Virginia, the antibodies in Pfizer’s Covid vaccine fall much faster than Modana’s Covid Shot.
UVA researchers who conducted the study said they were surprised that antibodies were expected to decline over time, but fell rapidly to Pfizer’s recipients.
Dr. Jeffrey Wilson describes antibodies as the body’s first line of defense.
“Antibodies help protect against infection by recognizing certain SARS-CoV-2 viruses, including peplomers, and making them aware of peplomers,” said Dr. Wilson, a UVA immunologist. Says.
Wilson was one of the 17 researchers who conducted the study.
“We were interested in seeing the levels you reached after vaccination and how fast they dropped. As shown in the paper, drop between Pfizer and Moderna vaccines. There was at least a subtle difference in the speed at which the off occurred, “said Wilson.
For 10 months, researchers tracked antibody levels in 234 vaccinated UVA employees. 114 participants had Pfizer shots and 114 participants had modana, but only 6 had Johnson & Johnson.
Six months later, researchers found that Pfizer’s recipients had less antibodies than Moderna’s recipients and less antibodies than severely ill Covid patients.
“Antibody levels decrease over time,” Wilson said. “It’s not entirely new. It always happens and it’s part of a healthy immune response,” he added.
Wilson also found fewer antibodies in Pfizer recipients over the age of 50 compared to young recipients. Wilson said don’t worry if you have a Pfizer vaccine. You are still protected from covid.
“You get B cells that can have memory, then you make T cells, and they can have memory. Therefore, even if antibody levels drop, they are mobilized and infected. You can have many immune cells that can fight, “says Wilson.
The first vaccinations have been given in Virginia, but Virginia Health officials said there weren’t many people backed up.
According to Wilson, booster shots mean more antibodies that help prevent serious illness and death.
Copyright2022WWBT. all rights reserved.
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