This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pathology
Kaposis sarcoma is seen with - 
Select and explain. 
A. HCV, B. HPV, C. HSV, D. HHV
D: HHV
Answer: D: HHV 
Explanation: Kaposi sarcoma (KS) is a vascular neoplasm caused by Kaposi sarcoma herpesvirus (KSHV, also known as human herpesvirus- 8, or HHV-8). Although it occurs in a number of contexts, it is by far most common in patients with AIDS; indeed, its presence is used as a criterion for the diagnosis. (Robbins basic pathology,9th edition,pg no.553)