A method to prevent SARS-CoV-2 IgM false positives in gold immunochromatography and enzyme-linked immunosorbent assays
Detection Principle
ImmunoAssay-Antibody
Target
IgM
Testing Method Category
GICA
Testing Method
GICA and ELISA
Testing Method - Additional Info
interference factors causing false-positive reactivity with the two methods were analyzed,and the urea dissociation test was employed to dissociate the SARS-CoV-2 IgM-positive serum
Reported Performance
after urea dissociation, false positive: GICA 1/86; ELISA: 3/86
Sample Size
86 serum samples (19 covid)
Peer-reviewed
yes
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