Forexample, all PCR-positive samples were IgG/IgA-negativeor IgG-positive samples were PCR/IgA-negative.This contradiction may happen due to different reasons.Positive serologic and negative molecular detection ofCT may be due to an old infection or resolution of CT(26, 27) or relocation of CT from the lower to the uppergenital tract (28, 29). The gene discussed is CD79A; the disease is infection.