Assertion: polio's infection | /r/HasProperty | serious
Facets:
value: particularly
type: DEGREE
value: with acquired defects
type: OTHER
value: among the elderly
type: OTHER
Source sentences:
text: Pneumococcal infection is particularly serious among the elderly and among children with sickle-cell anemia, with congenital or acquired defects in immunity, without spleens, or with abnormally functioning spleens.