Antibodies to common cold coronaviruses do not protect against SARS-CoV-2

(University of Pennsylvania School of Medicine) Past exposure to seasonal coronaviruses (CoVs), which cause the common cold, does not result in the production of antibodies that protect against the novel coronavirus SARS-CoV-2, according to a study Penn Medicine. Researchers said although antibodies from prior coronavirus infections cannot prevent SARS-CoV-2 infections, it is possible that pre-existing memory B cells and T cells could potentially provide some level of protection or at least redu...