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
Answer is C. Ans. is 'c' i.e., There is a single serotype causing infection There are 3 types of poliovirus which are associated with infection.