A young man presents to the emergency department with a maculopapular rash 2 weeks after healing of a painless genital ulcer. The most likely etiological agent is –: (A) Treponema Pallidum, (B) Treponema Pertenue, (C) Chalmydia Trachomatis, (D) None of the above
Answer is A. Development of maculopapular rash two weeks after having a painless genital ulcer(probably chancre) suggests a diagnosis of secondary syphilis caused by Treponema.pallidum