Assertion: vaccine's system | /r/CapableOf | respond to the presence of these antigens
Facets:
value: by producing special immune cells
type: MANNER
value: by producing proteins
type: MANNER
value: ideally
type: MANNER
Source sentences:
text: Ideally, the immune system responds to the presence of these antigens by producing special immune cells that directly attack the pathogen, or by producing proteins called antibodies.