Assertion: vaccine | /r/MadeOf | antigen
Facets:
value: thanks to advances
type: CAUSE
value: far
type: DEGREE
Source sentences:
text: They contain antigen that may be a weakened or killed form of the disease-causing organism, or fragments of the organism.
text: Today's vaccines contain far less antigens than in the past, thanks to advances in biomedical science.
text: Vaccines contain antigens, which are weakened bacteria or viruses, or parts of bacteria or viruses, which mimic the disease-causing agents.