Table 3 Maternal and foetal SARS-CoV-2 genome and anti-SARS-CoV-2 antibody detection.
From: Analysis of SARS-CoV-2 vertical transmission during pregnancy
Subject no. | Clinical outcome | ΔT1−T0 (days) | Maternal plasma | Vaginal swab | Placenta | Amniotic fluid | Umbilical cord plasma | Umbilical cord | Nasopharyngeal newborn swab | Milk | Classification system by Shah et al.36 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Viral RNA | IgM | IgG | Viral RNA | Viral RNA | Viral RNA | Viral RNA | IgM | IgG | Viral RNA | Viral RNA | Viral RNA | IgM | IgG | ||||
1 | Severe | 2 | − | − | − | − | − | N/A | − | − | − | − | − | + | + | − | Not infected |
2 | Mild | 1 | − | − | − | − | − | N/A | N/A | N/A | N/A | − | − | − | − | − | Not infected |
3 | Mild | 1 | − | − | − | − | − | − | − | − | − | − | − | − | − | N/A | Not infected |
4 | Severe | 2 | + | − | + | − | − | N/A | − | − | − | − | − | − | − | − | Not infected |
5 | Mild | 7 | − | − | − | − | − | N/A | − | − | − | − | − | N/A | N/A | N/A | Not infected |
6 | Mild | 1 | − | + | + | − | − | N/A | − | − | − | − | − | − | N/A | − | Not infected |
7 | Mild | 12 | − | + | + | − | − | − | − | − | − | − | − | − | − | − | Not infected |
8 | Severe | 6 | − | + | + | − | − | N/A | − | − | − | − | − | N/A | N/A | N/A | Not infected |
9 | Mild | 1 | N/A | N/A | N/A | − | − | N/A | − | − | − | − | − | − | − | − | Not infected |
10 | Mild | 1 | − | − | − | − | − | N/A | − | − | − | − | − | − | − | − | Not infected |
11 | Mild | 5 | − | − | − | − | − | N/A | − | − | − | − | − | − | − | − | Not infected |
12 | Mild | 4 | − | − | + | − | − | N/A | − | − | − | N/A | − | N/A | N/A | N/A | Not infected |
13 | Mild | 3 | − | − | + | − | − | N/A | − | − | + | − | − | − | − | − | Not infected |
14 | Mild | 3 | − | − | + | − | − | N/A | − | − | + | N/A | − | N/A | N/A | N/A | Not infected |
15 | Mild | 4 | − | − | − | − | − | N/A | − | − | − | N/A | − | N/A | N/A | N/A | Not infected |
16 | Mild | 2 | − | − | − | − | − | N/A | − | − | − | N/A | − | N/A | N/A | N/A | Not infected |
17 | Severe | 6 | + | + | + | + | + | N/A | + | − | + | N/A | + | N/A | N/A | N/A | Confirmed |
18 | Mild | 2 | − | − | + | − | − | N/A | − | − | + | N/A | − | N/A | N/A | N/A | Not infected |
19 | Mild | 9 | − | + | + | − | − | N/A | − | − | + | N/A | − | N/A | N/A | N/A | Not infected |
20 | Mild | 3 | − | + | + | − | − | N/A | − | − | + | N/A | − | N/A | N/A | N/A | Not infected |
21 | Mild | 13 | − | − | + | − | − | N/A | − | − | − | N/A | − | N/A | N/A | N/A | Not infected |
22 | Mild | 10 | − | − | − | − | − | N/A | − | − | − | N/A | − | N/A | N/A | N/A | Not infected |
23 | Mild | 9 | − | − | − | − | − | − | − | − | − | N/A | − | N/A | N/A | N/A | Not infected |
24 | Mild | 12 | − | − | − | − | − | N/A | − | − | − | N/A | − | N/A | N/A | N/A | Not infected |
25 | Mild | 17 | − | + | + | − | + | N/A | − | + | + | N/A | + | N/A | N/A | N/A | Possible |
26 | Mild | 13 | − | + | + | − | − | N/A | − | − | + | N/A | − | N/A | N/A | N/A | Not infected |
27 | Mild | 1 | − | − | + | − | − | N/A | − | − | + | N/A | − | N/A | N/A | N/A | Not infected |
28 | Mild | 3 | − | + | + | − | − | N/A | − | − | + | N/A | − | N/A | N/A | N/A | Not infected |
29 | Mild | 2 | − | − | + | − | − | N/A | − | − | − | N/A | − | − | − | − | Not infected |
30 | Mild | 1 | − | − | + | − | − | N/A | − | − | + | N/A | − | N/A | N/A | N/A | Not infected |
31 | Recovered | N/A | − | − | + | N/A | − | N/A | − | − | + | N/A | − | N/A | N/A | N/A | Not infected |