IgG antibodies against SARS-CoV-2 nucleocapsid (assayed using the ARCHITECT we2000 immunoassay analyzer [Abbott]) were absent at entrance and were detected 2 weeks after (using a titer of?2
IgG antibodies against SARS-CoV-2 nucleocapsid (assayed using the ARCHITECT we2000 immunoassay analyzer [Abbott]) were absent at entrance and were detected 2 weeks after (using a titer...