Researchers hope to create a new vaccine with it.
The antibody works in a slightly different way than many of the antibodies people make to vaccines. To infect you, SARS-CoV-2 has to first attach to ACE2 receptors in your cells. The current COVID-19 vaccines block this binding from happening by attaching to the spike protein’s receptor-binding domain at certain spots, aThe SP1-77 antibody also binds to the RBD, but doesn’t prevent the virus from binding to ACE2 receptors.
It’s not clear right now. It’s important to note that this research was done in mice—not humans—although studies on the antibody are ongoing. Experts say that a vaccine that could take out all variants of COVID-19 would definitely be welcome. “We’d love to have a vaccine that is active against all circulating variants, including those yet to come,” says Thomas Russo, M.D., professor and chief of infectious disease at the University at Buffalo in New York. “It’s the holy grail of vaccines.”
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