From: Anti-SARS-CoV-2-specific antibodies in human breast milk following SARS-CoV-2 infection during pregnancy: a prospective cohort study
Antibody results at delivery
Negative
Positive
Total
Antibody results in colostrum
IgM
41
11
52
6
7
13
47
18
65
IgA
8
9
17
23
43
66
31
83
IgG
57
50
107
0
3
Sum
53
110