TABLE 5.
Antibody responses to polyribosylribitol phosphate polysaccharide conjugated to tetanus toxoid (PRP-T) after primary series and before and after booster immunization of infants with fully liquid DTaP-IPV-Hib vaccine
| Antigen | Result | Antibody responses at indicated age
|
||
|---|---|---|---|---|
| 7 months (n=324) | 18 months (n=301) | 19 months (n=301) | ||
| PRP-T, μg/mL | GMC | 4.86 | 0.55 | 32.3 |
| 95% CI | 4.21–5.62 | 0.48–0.64 | 28.4–36.8 | |
| %≥ 0.15 | 97.9 | 85.2 | 100 | |
| % ≥ 1.0 | 88.9 | 24.8 | 99.0 | |
DTaP-IPV-Hib Diphtheria, tetanus and acellular pertussis, inactivated polio vaccine and Haemophilus influenzae type b;
GMC Geometric mean antibody concentration