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Kinetics of anti-S1-TTC antibody titers of mice immunized with BCG(pBMX). The total anti-S1-TTC IgG titers of mice immunized with BCG(pBMX) were determined at 0, 10, 14, 18, and 26 weeks after the first immunization, as indicated. The titers correspond to the reciprocals of the highest serum dilutions giving optical density values that are at least threefold over background levels.
