ð åèç
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è â Groups
- Poliovirus, Coxsackie A + B, Echovirus, EV-71, EV-D68
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è â Aseptic Meningitis
- Enteroviruses = #1 cause (Echo + Coxsackie B)
- Summer + fall
- Lymphocytic CSF, normal glucose
- CSF PCR diagnostic
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è â HFMD
- Coxsackie A16 typical
- EV-71 severe (Asia/Taiwan)
- Children < 5 yr
- Oral + hand + foot + buttock vesicles
- Self-limited (A16); EV-71 â brainstem encephalitis + pulmonary edema
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è â Pleurodynia + Myocarditis
- Coxsackie B
- Pleurodynia: chest pain (âdevilâs gripâ)
- Myocarditis: chest pain + heart failure; can progress to DCM
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è â Polio
- 3 serotypes; type 1 wild in Pakistan + Afghanistan only (2024)
- cVDPV2 outbreaks in vaccine-gap regions
- 2022 NYS USA paralytic case = wake-up call
- IPV (Salk) inactivated vs OPV (Sabin) oral attenuated
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è â Post-Polio Syndrome
- 30-40 yr after acute polio
- New weakness + fatigue + atrophy
- Motor neuron exhaustion
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è â EV-71 + Taiwan
- 1998 Taiwan outbreak â 78 deaths
- Severe HFMD: brainstem encephalitis + pulmonary edema
- Vaccines licensed (Vigoo, Sinovac, Taiwan)
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è â Acute Flaccid Myelitis
- EV-D68 + EV-71
- Post-respiratory illness
- Polio-like paralysis
- MRI: cervical cord gray matter
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è â Neonatal Enteroviral Sepsis
- < 14 days old
- Severe multi-organ
- Mortality 5-10%
- IVIG considered