Blood-clotting protein may be SARS-CoV-2's hidden accomplice, helping it hide from antibodies and reach blood vessels‎

Fibrinogen, the abundant plasma protein best known for forming blood clots, may play a second and far less benign role during SARS-CoV-2 infection: acting as a molecular bridge that simultaneously hides the virus from neutralizing antibodies and delivers it to the cells lining blood vessels.