MEDizzy
MEDizzy
USMLE
Infectious Diseases VII
All of the following statements concerning the risk of vaccine-associated paralytic poliomyelitis (VAPP) are true except:
Explanation
ExplanationVaccine-associated paralytic poliomyelitis (VAPP), which follows reversion of the OPV strain to a neurovirulent strain, has accounted for all cases of polio in the United States since 1979. The risk is higher in vaccinees than in contacts, after the first dose, and in immunocompromised persons.
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