Could prior exposure to common cold viruses affect the severity of SARS-CoV-2 symptoms?

(Charité - Universitätsmedizin Berlin) A study led by Charité - Universitätsmedizin Berlin and the Max Planck Institute for Molecular Genetics (MPIMG) shows that some healthy individuals possess immune cells capable of recognizing the novel coronavirus, SARS-CoV-2. The reason for this might be found in prior infections with 'common cold' coronaviruses. Whether or not this cross-reactivity has a protective effect on the clinical course in individuals infected with SARS-CoV-2 will now be addre...