Fig. 1

SARS-CoV-2 Antibody titers in TJR candidates. A Nucleocapsid protein serum IgG was measured in TJR candidates (n=49). B Spike protein serum IgG was measured in TJR candidates (n=64). Each dot represents each subject tested. Convalescent serum of COVID-19 confirmed cases were used as positive controls for nucleocapsid and spike protein IgG. Dotted bars indicate the threshold of antibody levels based on the manufacturer’s instructions. OD, optical density