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
Most common mode of transmission of polio virus - 
Select and explain. 
A. Droplet infection, B. Fecal-oral route, C. Blood transfusion, D. Veical transmission
B: Fecal-oral route
Answer: B: Fecal-oral route 
Explanation: Virus is transmitted by the fecal oral route through ingestion REF:<\p> ANATHANARAYANAN MICROBIOLOGY NINTH EDITION PAGE.486