This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infection, Subject name: Medicine
Which of the following has been strongly implicated as a causative agent for Kaposi's sarcoma? 
Select and explain. 
A. HHV-7, B. HHV-2, C. HHV-6, D. HHV-8
D: HHV-8
Answer: D: HHV-8 
Explanation: Ans. d (HHV-8). (Ref. Harrison's principles of medicine 18th/Ch. 182).Quantitative analysis of HHV-8 DNA suggests a predominance of latently infected cells in KS lesions and frequent lytic replication in multicentric Castleman's disease.Type of HHVAssiociated diseaseHHV-8 or KSHV# Kaposi's sarcoma.HHV-7# Exanthema subitum# Other childhood febrile illnesses# Some neurologic syndromes &# Pityriasis roseaHHV-6 (mostly variant B)# Exanthema subitum (roseola infantum).