A 28 year old sexually active male presents with burning micturation. On clinical examination no ulcer in the genitals. Urine examination shows 50 WBCs/HPF, no RBCs, leucocyte esterase positive, gonococcal culture negative. What could be the most probable causative organism ?: (A) Treponema pallidum, (B) Neisseria, (C) Chlamydia trachomatis, (D) H. ducreyi
Answer is C. None