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Microbiology Virology fc6d10c7

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
High-Yield Explanation
Poliovirus strains are classified into 3 types-1,2 and 3. TYPE 1 most common. REF:ANANTHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO:486

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