2. Echo Meningitis, Diarrhea, Common cold, Conjunctivitis ± Fever, rash, exanthems ± Meningitis ± Myopericarditis ± Diarrhea ± Common cold ± Conjunctivitis ± Neonatal infections 3. Polio Abortive poliomyelitis, Paralytic poliomyelitis, Bulbar poliomyelitis, Postpolio syndrome (PPS) ± Asymptomatic illness (90% of cases) The viral infection is limited to the oropharynx and the gut ± Abortive poliomyelitis; the minor illness Nonspecific febrile illness occurring in approximately 5% of infected people Fever, headache, malaise, sore throat, vomiting ± Nonparalytic poliomyelitis; Meningitis Occurs in 1% to 2% of patients The virus has crossed the blood-CSF barrier Back pain and muscle spasms No paralytic symptoms are associated with this type of infection; full recovery ± Paralytic polio; the major illness Occurs in 0.1% to 2.0% of persons with poliovirus infections Of these, 10% of cases are fatal, and 80% will have residual paralysis The virus spreads from the blood to the anterior horn cells of the spinal cord and the
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