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September 7, 2021 08:45 pm

New Studies Find Evidence Of 'Superhuman' Immunity To COVID-19 In Some Individuals

Some scientists have called it "superhuman immunity" or "bulletproof." But immunologist Shane Crotty prefers "hybrid immunity." "Overall, hybrid immunity to SARS-CoV-2 appears to be impressively potent," Crotty wrote in commentary in Science back in June. From a report: No matter what you call it, this type of immunity offers much-needed good news in what seems like an endless array of bad news regarding COVID-19. Over the past several months, a series of studies has found that some people mount an extraordinarily powerful immune response against SARS-CoV-2, the coronavirus that causes the disease COVID-19. Their bodies produce very high levels of antibodies, but they also make antibodies with great flexibility -- likely capable of fighting off the coronavirus variants circulating in the world but also likely effective against variants that may emerge in the future. "One could reasonably predict that these people will be quite well protected against most -- and perhaps all of -- the SARS-CoV-2 variants that we are likely to see in the foreseeable future," says Paul Bieniasz, a virologist at Rockefeller University who helped lead several of the studies. In a study published online last month, Bieniasz and his colleagues found antibodies in these individuals that can strongly neutralize the six variants of concern tested, including delta and beta, as well as several other viruses related to SARS-CoV-2, including one in bats, two in pangolins and the one that caused the first coronavirus pandemic, SARS-CoV-1. "This is being a bit more speculative, but I would also suspect that they would have some degree of protection against the SARS-like viruses that have yet to infect humans," Bieniasz says.

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