abstract |
The present invention provides a SARS-CoV-2 immunoassay method comprising a step for contacting a biological sample with a monoclonal antibody or an antibody fragment thereof, said monoclonal antibody binding to the nucleocapsid protein of SARS-CoV-2, wherein the monoclonal antibody or an antibody fragment thereof binds to SARS-CoV-2 having been treated with serine protease. |