Documented cases of<unk>  in adults are rare. The recovery of adults with the<unk>  is generally complete, with liver and brain function returning to normal within two weeks of onset. In children, mild to severe permanent brain damage is possible, especially in infants. Over thirty percent of the cases reported in the United States from 1981 through 1997 resulted in fatality.
Reye syndrome
Zaki syndrome
Kenny-Caffey syndrome
Mungan syndrome
Karak syndrome
Akureyri disease
Sotos syndrome
Eiken syndrome