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Despite daily contact with COVID-19 patients early in the pandemic, some health professionals avoided falling ill. As a new study shows, the explanation appears to be an antidote in the immune system: IgA antibodies to COVID-19.
Despite daily contact with COVID-19 patients early in the pandemic, some health professionals avoided falling ill. As a new study shows, the explanation appears to be an antidote in the immune system: IgA antibodies to COVID-19.