Microbiology – MCQ 77 – Poliovirus

All of the following statements are true regarding poliovirus except :
A. It is transmitted by feco-oral route
B. Asymptomatic infections are common in children
C. There is a single serotype causing infection
D. Live attenuated vaccine produces herd immunity

Correct answer : C. There is a single serotype causing infection

Polio virus has 3 serotypes.

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