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Schematic of rapid SARS‐CoV‐2 IgM–IgG combined antibody test. A, Schematic of the detection device; B, illustration of different testing results; C, control line; G, IgG line; M, IgM line. IgG, immunoglobulin G; IgM, immunoglobulin M; SARS‐CoV‐2, severe acute respiratory syndrome-coronavirus 2. Reprinted with permission from Ref. [87]. Copyright 2020 Wiley Interscience.
