The Other Side of Covid-19 Immunity

Not all immunity research has to do with antibodies

Credit: Taechit Taechamanodom / Getty Images

This week, research suggesting that antibodies to Covid-19 wane quickly after infection raised concerns about immunity to the coronavirus. Throughout the pandemic, much of the conversation about immunity has focused on antibodies: using antibody tests to look for them, filtering them out of convalescent plasma, and…



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