Assertion: flu | /r/CapableOf | place significant disease burden
Facets:
value: each year
type: TEMPORAL
value: on the u.s. population
type: TRANSITIVE-OBJECT
Source sentences:
text: Flu places a significant disease burden on the U.S. population each year, but the magnitude and timing varies from season to season, making the annual impact difficult to predict at the beginning of each season.