SARS-CoV-2-reactive T cells in healthy donors and patients with COVID-19

SARS-CoV-2-reactive T cells in healthy donors and patients with COVID-19 – Nature

Commentaries: Could prior exposure to common cold viruses affect the severity of SARS-CoV-2 symptoms? – Charité – Universitätsmedizin Berlin AND Why some people who haven’t had Covid-19 might already have some immunity – CNN

Related Commentary on Twitter

Just out @nature: 35% of healthy people (#SARSCoV2 seronegative) have reactive SARSCoV2 CD4 T cells to spike protein, presumably d/t cross-reactive coronavirus exposurehttps://t.co/Xt5tuULuyU
Important implications for explaining variable response to infections & vaccine trials

— Eric Topol (@EricTopol) July 29, 2020