Assertion: rotavirus | /r/HasProperty | a half million or more deaths
Facets:
value: in this age group
type: OTHER
value: annually
type: TEMPORAL
Source sentences:
text: Rotaviruses are responsible for up to 50% of diarrheal illnesses in infants and young children worldwide and account for a half million or more deaths in this age group annually (Estes and Kapikian 2007).