This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sexually Transmitted Infections, Subject name: Dental
[{'content': 'Following condition is caused by: \nSelect and explain. \nA. Treponema, B. HSV 2, C. Small Pox virus, D. Syphilis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Genital herpes - Infection of the genitals caused by HSV. Either have no or mild symptoms. Blisters break open to form painful ulcers. Flu-like symptoms, such as fever, aching, or swollen lymph nodes. Onset is within 4 days after exposure with symptoms lasting up to 4 weeks. Antiviral medications, such as acyclovir, valacyclovir, may prevent outbreaks or shoen outbreaks if they occur.', 'role': 'assistant'}]