PROS1 and severe acute respiratory syndrome: Moreover, Walls et al. [27] reported the use of conservative glycosylation sequence in S protein of SARS-CoV can stimulate neutralizing antibody against SARS-CoV-2, and the study of the Yuan et al. [28] reported that they researched the recognition of epitopes and antibodies by parsing the structure of antibody CR3022 from Rehabilitation in patients with SARS.