TABLE 2.
LPS antibodies in serum of children receiving one or two injections of SPA-TT2
| Ig | No. of injections | No. of children | GM LPS antibody titera (25th to 75th percentiles) (EU) on days after vaccination:
|
|||
|---|---|---|---|---|---|---|
| 0 | 42b | 70 | 180 | |||
| IgG | 1 | 63 | 0.91 (0.49–1.56) | 19.3 (8.40–38.1) | 11.7 (6.13–21.4) | 3.47 (2.34–4.79) |
| 2 | 47 | 0.77 (0.47–1.17) | 16.7 (9.41–32.3) | 11.9 (6.57–19.8) | 4.08 (2.59–6.00) | |
| IgM | 1 | 63 | 6.65 (3.52–11.4) | 28.8 (16.3–50.4) | 22.0 (13.6–41.8) | 15.9 (10.1–21.3) |
| 2 | 47 | 7.00 (4.67–10.3) | 32.3 (16.3–48.3) | 24.7 (13.6–44.9) | 17.6 (10.3–26.2) | |
a
A high-responder serum was used as the standard and assigned a value of 100 EU.
b
Group 2 reinjected after bleeding.