Assertion: hpv vaccine | /r/HasProperty | effective
Facets:
value: in preventing infection
type: TRANSITIVE-OBJECT
value: highly
type: DEGREE
Source sentences:
text: HPV vaccines are highly effective in preventing infection with the types of HPV they target when given before initial exposure to the virus—which means before individuals begin to engage in sexual activity.
text: In fact, testing is not recommended because it cannot show if the HPV vaccine will be effective or not.