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
Human fibroblast cell line is used for cultivation of ? 
Select and explain. 
A. Adenovirus, B. Poliovirus, C. HIV, D. Measles
B: Poliovirus
Answer: B: Poliovirus 
Explanation: Ans. is b i.e., Poliovirus Human diploid fibroblasts (HDF) cell line is used for cultivation of coxsackie A7, 9, 16; CMV; Echovinis; enteroviruses; HSV-1, 2; Poliovirus; parainfluenzavirus, rhinovirus and VZV.