This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
The following virus can be grown only in suckling mice - 
Select and explain. 
A. Coxsackie virus, B. Rhinovirus, C. Echovirus, D. Poliovirus
A: Coxsackie virus
Answer: A: Coxsackie virus 
Explanation: It is necessary to employ suckling mice for the isolation of coxsackie virus. REF:ANANTHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO:491