TABLE 2.
Age group (mo) | No. of children | No. of children with detectable antibody (median titer among responders)a
|
|||||
---|---|---|---|---|---|---|---|
IgG
|
IgG1
|
IgG3
|
|||||
A | C | A | C | A | C | ||
<6 | 8 | 7 (400) | 8 (800) | 5 (400) | 8 (400) | 0 | 2 (25) |
6-11 | 9 | 4 (38) | 9 (200) | 0 | 9 (100) | 0 | 2 (75) |
≥12 | 11 | 7 (25) | 11 (400) | 3 (50) | 11 (200) | 0 | 1 (100) |
Paired serum samples from 28 patients 1 to 30 months of age were examined for rotavirus-specific IgG and its subclasses, as described in the text. A, acute-phase serum; C, convalescent-phase serum.