| Study participants, No. |
84 |
| Maternal features |
|
| Maternal age, mean (SD), y |
34 (4) |
| No. of children, mean (SD) |
2.36 (0.98) |
| Chronic diseases |
22 (26.2) |
| Gestational diabetes |
3 (3.6) |
| First vaccine adverse effects |
47 (55.9) |
| Local pain |
40 (47.6) |
| Fatigue |
8 (9.5) |
| Fever |
0 |
| Other |
12 (14.3) |
| Second vaccine adverse effects |
52 (61.9) |
| Local pain |
34 (40.5) |
| Fatigue |
28 (33.3) |
| Fever |
10 (11.9) |
| Other |
22 (26.2) |
| Infant related features |
|
| Vaginal delivery mode |
78 (92.9) |
| Infant age at time of first maternal vaccine, mean (SD), mo |
10.32 (7.31) |
| Birth week, mean (SD) |
39.01 (1.95) |
| Birth weight, mean (SD), g |
3175.27 (502.33) |
| Exclusive breastfeeding |
35 (41.6) |
