TABLE 2.
Percentages of children with antibody concentrations of ≥0.15 μg/ml and >1.0 μg/ml by age at boosting for each blood sample
| Age at booster | % of children with indicated antibody concn (μg/ml)a
|
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Before booster
|
At indicated time after booster
|
|||||||||
| One mo
|
Six mo
|
One yr
|
Two yr
|
|||||||
| ≥0.15 | >1.0 | ≥0.15 | >1.0 | ≥0.15 | >1.0 | ≥0.15 | >1.0 | ≥0.15 | >1.0 | |
| 6-11 mo | 94 (75/80) | 75 (60/80) | 99 (80/81) | 99 (80/81) | 100 (78/78) | 95 (74/78) | 100 (71/71) | 77 (55/71) | 99 (66/67) | 54 (36/67) |
| 12-17 mo | 77 (20/26) | 38 (10/26) | 100 (29/29) | 100 (29/29) | 96 (22/23) | 96 (22/23) | 95 (20/21) | 95 (20/21) | 100 (14/14) | 86 (12/14) |
| 2-4 yr | 64 (162/253) | 19 (48/253) | 100 (235/235) | 99 (233/235) | 100 (199/199) | 99 (197/199) | 99 (157/158) | 97 (153/158) | 100 (158/158) | 91 (143/158) |
a
Values in parentheses are no. of children with the indicated antibody concentration/total no. of children.