TABLE 1.

Hib IgG GMCs before boosting and after a booster dose of single-antigen Hib vaccine

Age at boosternaGMC μg/ml (95% CI)
Before boosterAt indicated time after booster
One moSix moOne yrTwo yr
6-11 mo891.98 (1.45-2.70)29.87 (22.26-40.08)5.28 (4.06-6.87)2.48 (1.91-3.23)1.30 (1.00-1.70)
12-17 mo320.89 (0.32-2.43)68.41 (37.63-124.37)11.70 (5.59-24.50)6.69 (3.14-14.26)4.99 (1.98-12.60)
2-4 yr2670.38 (0.31-0.47)182.36 (151.31-219.78)23.70 (20.00-28.08)9.22 (7.51-11.32)5.92 (4.84-7.24)
  • a n is the no. of participants who provided at least one blood sample.