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COVID vaccines might not work as well on new SARS-CoV-2 variants


Three new, fast-spreading variants of the virus that causes COVID-19 can evade antibodies that work against the original form that sparked the pandemic, new research shows.
With few exceptions, whether the antibodies were produced in response to vaccination or natural infection, or were purified antibodies intended for use as drugs, researchers found they needed more antibody to neutralize the new variants.
The findings, from laboratory-based experiments, suggest that COVID-19 drugs and vaccines developed thus far may become less effective as the new variants become dominant, as experts say they inevitably will. The researchers looked at variants from South Africa, the United Kingdom, and Brazil. ....

South Africa , United Kingdom , Dolly Parton , Ritae Chen , Summerfield Robert Foundation , American College Of Gastroenterology , Townsend Jeantet Charitable , Among Carter Foundation , Helen Hay Whitney Foundation , National Institutes Of Health , Gilson Longenbaugh Foundation , Drug Administration , Defense Advanced Research Project Agency , Kleberg Foundation , Washington University School Of Medicine , University Of Texas Medical Branch , Johns Dunn Foundation , Sealy Smith Foundation , Research Fund At Vanderbilt University , Washington University In St , Washington University , Washington University School , Texas Medical Branch , National Institutes , Vanderbilt University , Smith Foundation ,

COVID-19 Antibodies, Vaccines Less Effective against Variants


Worrisome new coronavirus variants can evade antibodies that neutralize original virus, recent lab research shows
March 8, 2021
Physician assistant Philana Liang prepares a vial of COVID-19 vaccine on the Washington University Medical Campus. New research from Washington University School of Medicine in St. Louis has found that new variants of the virus that causes COVID-19 can evade antibodies that work against the original form of the virus that sparked the pandemic, potentially undermining the effectiveness of vaccines and antibody-based drugs now being used to prevent or treat COVID-19.
Matt Miller/Washington University
New research at Washington University School of Medicine in St. Louis indicates that three new, fast-spreading variants of the virus that cause COVID-19 can evade antibodies that work against the original form of the virus that sparked the pandemic. With few exceptions, whether such antibodies were produced in response to vaccination or natural ....

South Africa , United Kingdom , United States , Herberts Gasser , Philana Liang , Ritae Chen , Matt Miller Washington University , Washington University Medical Campus , Drug Administration , Washington University School Of Medicine , Vaccines Less Effective , Washington University Medical , Washington University School , Nature Medicine , ஒன்றுபட்டது கிஂக்டம் , ஒன்றுபட்டது மாநிலங்களில் , ஹெர்பர்ட்ஸ் காஸர் , மேட் மில்லர் வாஷிங்டன் பல்கலைக்கழகம் , வாஷிங்டன் பல்கலைக்கழகம் மருத்துவ வளாகம் , வாஷிங்டன் பல்கலைக்கழகம் பள்ளி ஆஃப் மருந்து , தடுப்பு மருந்துகள் குறைவாக பயனுள்ள , வாஷிங்டன் பல்கலைக்கழகம் மருத்துவ , வாஷிங்டன் பல்கலைக்கழகம் பள்ளி , இயற்கை மருந்து ,