TABLE 5.
Serum antibody responses in schoolchildren immunized with the DTaP vaccinea
| Time | Geometric mean ELISA units (95% confidence interval) of IgG antibodies to:
|
||
|---|---|---|---|
| PT | FHA | PRN | |
| Preimmunization | 12.9 (5.6–30.1) | 113.1 (59.2–215.8) | 38.2 (14.5–101.0) |
| Postimmunization | 213.5 (127.1–358.8)b | 1145.4 (845.4–2,471.2)b | 712.8 (380.9–1,333.8)b |
a
Seventeen 10- to 12-year-old children received a dose of the DTaP vaccine, and serum samples were tested before and 30 days after immunization.
b
P < 0.001 versus preimmunization values.