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
Among the given viruses, which is best cultivated from urine? 
Select and explain. 
A. Rubella, B. Norwalk, C. CMV, D. Mumps
C: CMV
Answer: C: CMV 
Explanation: Ans. is 'c' i.e.,CMV"Viral culture of the urine and saliva obtained within first two weeks of life continue to be the gold standard for diagnosis of Congenital CMV infection"