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. 2020 May 26;58(6):e00375-20. doi: 10.1128/JCM.00375-20

TABLE 1.

SARS-CoV-2 IgM detection in serum using GICA and ELISA

Group No. of cases No. (%) of positive cases
GICA ELISA
Flu A IgM 5 0 (0.00) 0 (0.00)
Flu B IgM 5 0 (0.00) 0 (0.00)
M. pneumoniae IgM 5 0 (0.00) 0 (0.00)
L. pneumophila IgM 5 0 (0.00) 0 (0.00)
Hypertension 5 0 (0.00) 0 (0.00)
Diabetes mellitus 5 0 (0.00) 0 (0.00)
HIV infection 6 0 (0.00) 0 (0.00)
RF-IgM 36 22 (61.11) 22 (61.11)
SARS-CoV-2 infection 14 14 (100.00) 14 (100.00)