Assertion: flu vaccine | /r/HasProperty | effective
Facets:
value: in lowering the risk of infection
type: PURPOSE
Source sentences:
text: Flu vaccines are effective in lowering the risk of infection by 40 to 60 percent in people who get the shot.
text: Although immune responses may be lower in the elderly, studiesexternal icon have consistently found that flu vaccine has been effective in reducing the chance of medical visits and hospitalizations associated with flu.