Assertion: measles's complication | /r/HasSubevent | permanent brain damage
Facets:
value: often
type: TEMPORAL
Source sentences:
text: In the United States on average, two or three out of every 1000 children infected will die, and one will develop complications that often result in permanent brain damage.
text: Even if measles doesn't result in death, complications from encephalitis can result in permanent brain damage.