Examples of the WB patterns of bands recognized in the newborns studied and their mothers. Noninfected (A) and congenitally infected children: case 1 (B), case 2 (C), case 3 (D), and case 4 (E). C+, positive control; M, mother; m, month; Pt., posttreatment; y, years; d, days. Molecular weights in kilodaltons are shown on the left in each panel. *, samples of the mother and newborn could not be analyzed in parallel in the same nitrocellulose membrane due to insufficient volume.