This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Genital ulcers are seen in all except - 
Select and explain. 
A. H. aegyptius, B. H. ducreyi, C. HSV, D. Chlamydia
A: H. aegyptius
Answer: A: H. aegyptius 
Explanation: None