\n“It’s becoming increasingly clear that many pathogens are able to quickly mutate. Like the proverbial leopard that changes its spots, a virus can change the antigens on its surface,” Pulendran said.
note: required for `Ast` to implement `PartialEq`
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Первый вице-президент ФХР Ротенберг рассказал о переговорах с американцами и канадцами20:39