Fig. 1From: SARS-CoV-2 specific serological pattern in healthcare workers of an Italian COVID-19 forefront hospitalSchematic illustration of rapid SARS-CoV-2 IgM-IgG combined antibody test. a Schematic diagram of the detection device; b an illustration of different testing results; C, control line; G, means IgG line; M, IgM line. IgG, immunoglobulin G; IgM, immunoglobulin M. Figure partially modified from [8]Back to article page