system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
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 –
assistant
The correct answer 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