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Binding antibodies to gp41 in HIV-infected women and their children. The graphs show the percentage of maternal and cord blood serum specimens that were found to contain high-titer antibodies to gp41 peptides (A) and the mean values (1/n) plus standard errors of the means found in mothers and in their children (B). All specimens were tested in duplicate. TR, transmitting mothers; NT, nontransmitting mothers.
