Subject	shift
Predicate	be important to
Object	human health
Modality	Modality Occurrences some[subj/antigenic] 1
Polarity	POSITIVE
Plausibility	0.0002
Neighborhood Sigma	0.0002
Local Sigma	0.0004
Example Sentences	Sentence Occurrences Source antigenic shift is important to human health 1 Google Autocomplete