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The Roche assay is supposed to detect total antibodies. However, the package insert is not clear. It says "detection of antibodies (including IgG)". I assume that it also detects IgM, if present, right?
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Are the platforms performing the antibody/antigen testing (generally) validating using serum or plasma (edta/lithium heparin) or both?
One of the multiple tests that are being used to know the presence of antibodies are based on rapid tests using capillary blood to carry it out, if there is for whole blood, plasma, serum, etc. At Findx.org I can't find any validated antibody test for capillary blood specifically. Is there any specific validation of anti SARS-COV-2 antibodies for capillary blood?