Skip to main content
. 2021 Feb 9;22(4):1749. doi: 10.3390/ijms22041749

Figure 1.

Figure 1

Levels of human milk antibodies specific to SARS-CoV-2 S1 or S2 subunit in mothers with confirmed COVID-19 PCR test and unexposed mothers. (A,B) secretory IgA (SIgA)/IgA; (B,E) secretory IgM (SIgM)/IgM; (C,F) IgG. (A–C) S1 SARS-CoV-2 antibodies; (D–F) S2 SARS-CoV-2 antibodies. Values are means ± SD, n = 7 for mothers with confirmed COVID-19 PCR test, and n = 6 for unexposed mothers (Clt1-2018 pre-pandemic). Mann–Whitney test was used to compare the two groups. Asterisk shows statistically significant differences between variables (* p < 0.05). ns, not significant.