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Scientists in Israel claim they may have found antibodies that can fight all known COVID-19 strains, eliminating the need for vaccine booster shots.
The peer-reviewed study was led by Tel Aviv University researcher Dr. Natalia Freund and published in Nature’s Communications Biology section, and found antibodies that could be used to concoct an antibody infusion. Since the start of the pandemic, some monoclonal antibody treatments have been approved and used to treat COVID-19 patients with severe symptoms.
A preliminary study carried out by Freund’s team in October 2020 sequenced B immune system cells from Israeli patients who recovered from the original COVID-19 strain. They then isolated nine antibodies that the patients produced of which two have been found to show efficacy in neutralizing other COVID-19 variants, including Omicron and Delta, according to a press release.
“In the previous study, we showed that the various antibodies that are formed in response to infection with the original virus are directed against different sites of the virus,” said Freund on Wednesday. “The most effective antibodies were those that bound to the virus’s ‘spike’ protein, in the same place where the spike binds the cellular receptor ACE2.”
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