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 –
Development of maculopapular rash two weeks after having a painless genital ulcer(probably chancre) suggests a diagnosis of secondary syphilis caused by Treponema.pallidum
Treponema Pallidum
Treponema Pertenue
Chalmydia Trachomatis
None of the above