Assertion: lymph node's cell | /r/HasProperty | infected by virus
Facets:
value: to prevent that virus
type: PURPOSE
Source sentences:
text: T lymphocytes (T cells) can recognize cells infected by viruses and directly destroy these cells.
text: Interferon (in-ter-FIR-on): Protein compound released by cells infected with a virus to prevent that virus from reproducing in nearby normal cells.