The Salk IPV and the Sabin OPV Differ from One

question 78

Multiple Choice

The Salk IPV and the Sabin OPV differ from one another in that ________.

• A)the IPV contains a version of the virus that is fully inactivated,whereas the virus within the OPV is attenuated,that is,reduced virulence but still viable
• B)the IPV must be administered by injection,whereas the OPV can be given orally
• C)the OPV,being viable,may revert back to the neurovirulent strain and be transmitted to other susceptible individuals,whereas the IPV,being inactivated,cannot revert to a virulent strain
• D)children in developing countries are administered the OPV,whereas in the USA,children are given the IPV by injection
• E)All of the choices are correct.

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