Table 4.
Levels of IgG and IgA in serum and breast milk according to the type of vaccine received.
| Antibody | Vaccine | Mean ± Standard Deviation | ANOVA p Value | p * |
|---|---|---|---|---|
| IgG serum | BNT162b2 | 0.32 ± 0.13 | <0.001 | BNT162b2 vs. mRNA-1273: 0.97 |
| mRNA-1273 | 0.30 ± 0.10 | BNT16b2 vs. ChAdOx1-S: <0.001 | ||
| ChAdOx1-S (one dose) |
0.16 ± 0.09 | mRNA-1273 vs. ChAdOx1-S: 0.001 | ||
| IgA serum | BNT162b2 | 0.12 ± 0.10 | <0.001 | BNT162b2 vs. mRNA-1273: 0.38 |
| mRNA-1273 | 0.16 ± 0.13 | BNT16b2 vs. ChAdOx1-S: <0.001 | ||
| ChAdOx1-S (one dose) |
0.02 ± 0.02 | mRNA-1273 vs. ChAdOx1-S: <0.001 | ||
| IgG breast milk | BNT162b2 | 0.41 ± 0.10 | <0.001 | BNT162b2 vs. mRNA-1273: 0.18 |
| mRNA-1273 | 0.45 ± 0.08 | BNT16b2 vs. ChAdOx1-S: <0.001 | ||
| ChAdOx1-S (one dose) |
0.09 ± 0.08 | mRNA-1273 vs. ChAdOx1-S: <0.001 | ||
| IgA breast milk | BNT162b2 | 0.11 ± 0.12 | 0.01 | BNT162b2 vs. mRNA-1273: 0.92 |
| mRNA-1273 | 0.10 ± 0.07 | BNT16b2 vs. ChAdOx1-S: 0.02 | ||
| ChAdOx1-S (one dose) |
0.04 ± 0.07 | mRNA-1273 vs. ChAdOx1-S: 0.20 |
* p values comparing means, adjusted for multiple comparisons (Sidak method).