T Cells May Tell Us More About COVID Immunity – MedPage Today

While antibodies have been the focus of testing for past infection with COVID-19, T cells will also provide some insights — potentially better ones, experts say.
These lymphocytes are the first responders that then coordinate the immune response while building an imprint, a memory, so that subsequent infections fade quickly, often unnoticed.
T cell tests are more complex and typically reserved for research, but some may be coming to the clinic soon, with at least one company seeking FDA emergency…

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