临床表现 Depressed or absent reflexes a Involvement of cranial nerves(facial nerves most commonly involved Respiratory failure (involved respiratory muscles) a Progression to peak disability in 4 wk ■ Others◼ Depressed or absent reflexes ◼ Involvement of cranial nerves (facial nerves most commonly involved) ◼ Respiratory failure(involved respiratory muscles) ◼ Progression to peak disability in 4 wk ◼ Others 临床表现