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. 2020 Nov 10;4:100045. doi: 10.1016/j.lanwpc.2020.100045

Table 3.

IgM, IgG and PCR testing of SARS-CoV-2 in breast milk of mothers confirmed with COVID-19.

NO. Items 1 d 3 d 7 d 14 d 21 d 28 d 35 d 42 d 56 d 70 d
Case 1 IgM 0•02
Case 2 0•02
Case 3 0•02 0•03
Case 4 0•53 0•69 0•22 0•41
Case 5 0•02 0•02 2•81 0•66 1•20
Case 6 0•04
Case 7 0•05
Case 8 0•04 0•03 0•03
Case 9 0•03 0•48 0•09
Case 10 0•32 0•66 0•95 0•05
Case 11 0•50 1•00 0•94
Case 12 3•03 2•43 0•54 3•01
Case 13 0•01 0•04
Case 14 1•03 0•11 0•08
Case 15 0•15
Case 16
Case 1 IgG 0•01
Case 2 0•01
Case 3 0•01 0•01
Case 4 0•01 0•03 0•003 0•01
Case 5 0•01 0•01 0•01 0•02 0•02
Case 6 0•02
Case 7 0•01
Case 8 0•01 0•01 0•01
Case 9 0•01 0•01 0•02
Case 10 0•01 0•01 0•01 0•003
Case 11 0•01 0•01 0•01
Case 12 0•01 0•01 0•01 0•01
Case 13 0•01 0•01
Case 14 0•02 0•02 0•02
Case 15 0•01
Case 16
Case 1 PCR (-)
Case 2 (-)
Case 3 (-) (-)
Case 4 (-) (-) (-) (-)
Case 5 (-) (-) (-) (-) (-)
Case 6 (-) (-) (-) (-)
Case 7 (-)
Case 8 (-) (-) (-)
Case 9 (-) (-) (-)
Case 10 (-) (-) (-) (-)
Case 11 (-) (-) (-)
Case 12 (-) (-) (-) (-)
Case 13 (-) (-)
Case 14 (-) (-) (-)
Case 15 (-)
Case 16 (-) (-) (-)

The cut off value was 0•10 for IgM and 0•13 for IgG; if the antibody level was equal to or higher than the cut off value, it was considered as positive result.