Assertion: smallpox | /r/HasProperty | effective
Facets:
value: remarkably
type: DEGREE
value: a
type: DEGREE
Source sentences:
text: The vaccination was so effective that in the early 1950s, scientists declared that smallpox had been eradicated.
text: Smallpox is a remarkably effective, and remarkably stable, infection – research has shown that over the course of 10 years, as few as three individual bases may change in a strain's DNA.