All the following are correct about the polio vaccines, except

A. Dr. Jonas Salk developed the IPV vaccine in 1954.
B. the inactivated polio vaccine (IPV) can occasionally revert to a neurovirulent strain.
C. the virus is transmitted through the fecal-oral route.
D. most infections do not result in paralysis.
E. treatment for polio involves mainly alleviating pain and suffering.


Answer: B

Biology & Microbiology

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