This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Human Immunodeficiency Virus, Subject name: Microbiology
[{'content': 'Most common genital lesion in HIV patient is: \nSelect and explain. \nA. Chlamydia, B. Herpes, C. Syphilis, D. Candida', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Herpes * Herpes simplex (in the developed world) and chancroid (in Africa) are the most common cause of genital ulceration in HIV infected patients.* Herpesvirus infections are common in AIDS patients, and multiple herpesviruses are frequently detected being shed in saliva. Cytomegalovirus retinitis is the most common severe ocular complication of AIDS.", 'role': 'assistant'}]