Chlamydial urethral infection in Teheran. A study of male patients attending an STD clinic.

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Abstract
The prevalence of chlamydial infection of the urethra was studied in 172 consecutive male patients attending a sexually transmitted disease clinic in Teheran. Chlamydia trachomatis was isolated in 8.8% of the patients with a valid culture result. Of the 5 isolates serotyped, 2 were serotype E and 3 were serotypes G, H and K. Type-specific antibodies against C. trachomatis serotypes D-K were found in 16% of patients, and IgM, indicating current infection, was detected in 12%. Type-specific antibodies against serotypes A-C (trachoma agent) were detected in 5.4%. The low chlamydial isolation rate may have been due to the inclusion of a large number of patients with a mild or trivial urethritis or a history of previous treatment with antichlamydial drugs. In Iran, where trachoma is still endemic, chlamydial infection of the urethra occurs in the urban population and is caused by serotypes D-K.
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