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Analysis of the B cell reactivity of the epiA peptide in healthy adults and children. Immunoreactivity of the recombinant GST-epiA protein analyzed by IgG Rec-ELISA with serum samples from 48 blood donors and 40 children is shown. The values were calculated as the ratio of the OD readings obtained with the GST-epiA to twice the corresponding OD readings obtained with the GST.
