Table 1.
Measles antibodies in sera from ill infants and their mothers
| Pair No | Mother | Infantc | ||||||
|---|---|---|---|---|---|---|---|---|
| IgG (U/ml) | NTa | MV IgMb | Age (month) | Sex | Day after onset of fever | IgG (U/ml) | Vaccined | |
| 1 | 1272 | 12 | - | 3 | M | 5 | 49 | - |
| 2 | 42986 | 256 | 0.621 | 8 | F | 5 | 80 | - |
| 3 | 77355 | >2048 | 0.302 | 5 | M | 7 | 97 | - |
| 4 | 1782 | 8 | - | 7 | M | 8 | 54 | - |
| 5 | 3735 | 32 | - | 8 | M | 8 | 82 | - |
| 6 | 75000 | 2048 | 0.552 | 8 | M | 7 | 39 | - |
| 7 | 7069 | 16 | - | 8 | F | 7 | 42 | - |
| 8 | 2577 | 32 | - | 7 | M | 6 | 53 | - |
| 9 | 75000 | >2048 | 0.577 | 5 | M | 6 | 59 | - |
| 10 | 275 | 4 | - | 9 | F | 9 | 94 | 10 |
| 11 | 5261 | 24 | - | 7.5 | M | 4 | 73 | - |
| 12 | 55843 | 1024 | 0.489 | 9 | M | 8 | 110 | 6 |
| 13 | 5158 | 96 | - | 8 | F | 6 | 64 | - |
| 14 | 1391 | 16 | - | 8 | M | 6 | 52 | - |
| 15 | 23078 | 192 | - | 7 | M | 5 | 61 | - |
| 16 | 3398 | 24 | - | 8 | M | 3 | 72 | 8 |
| 17 | 4849 | 24 | - | 8 | F | 7 | 54 | - |
| 18 | 3205 | 16 | - | 8 | F | 6 | 428 | 12 |
| 19 | 2140 | 16 | - | 8.5 | F | 9 | 168 | 2 |
| 20 | 19002 | >2048 | 0.376 | 6 | M | 5 | 50 | - |
| 21 | 2147 | 48 | - | 6 | M | 4 | 44 | - |
| 22 | 588 | 12 | - | 8 | M | 6 | 43 | - |
| 23 | 5433 | 32 | - | 9 | M | 5 | 45 | - |
| 24 | 11963 | 64 | - | 9 | M | 6 | 70 | - |
a NT, neutralizing titer.
b The assay's OD450 cut-off is 0.262; -, lower than 0.262.
c All infants were positive for measles IgM.
d -, not vaccinated; number indicates the days after measles vaccination.