C
Chris Smith
Guest
January began with mixed feelings about the pandemic. On the one hand, vaccination campaigns had already started and were ramping up in various countries. On the other hand, several SARS-CoV-2 mutations were discovered around the world, prompting concerns that vaccines might not be as effective as they were in clinical trials and that COVID-19 survivors might risk reinfection. BioNTech and Moderna officials said early on that the vaccines should work against the new strains. Studies later showed that’s indeed the case for most mutations — the South African variant is of greater concern as it can escape antibodies to some degree. Officials also said they could adapt the existing drugs to beat the new mutations, and both companies confirmed recently they’re working on updated vaccines.
Separately, Pfizer and BioNTech are already studying the impact of a third booster shot given to volunteers who got the drug during Phase 1 trials last year. "We believe that the third dose will raise the antibody response 10- to 20- fold,” Pfizer CEO Albert Bourla said. The exec also said that people would probably need a new COVID-19 shot every year at a minimum to deal with the new mutations, as is the case with the flu. But a brand new vaccine study indicates that a large group of people might need that third booster shot much sooner than that.
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If you fall into this category, you might need 3 coronavirus vaccine shots originally appeared on BGR.com on Tue, 2 Mar 2021 at 14:56:22 EDT. Please see our terms for use of feeds.
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