August 18, 2020

NOT REALLY SURPRISING, BUT GOOD: Lasting immunity seen after mild COVID-19 infection: report. “‘This calls for some optimism about herd immunity,’ an immunologist said.”

Related: Mild COVID-19 cases can produce strong T cell response. “Mild cases of coronavirus disease 2019 (COVID-19) can trigger robust memory T cell responses, even in the absence of detectable virus-specific antibody responses, researchers report August 14 in the journal Cell. The authors say that memory T cell responses generated by natural exposure to or infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)—the virus that causes COVID-19—may be a significant immune component to prevent recurrent episodes of severe disease.”

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