All the Following Are Correct About the Polio Vaccines, Except

Multiple Choice

All the following are correct about the polio vaccines, except

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