Assertion: flu vaccine | /r/CapableOf | protect against influenza
Facets:
Source sentences:
text: The flu vaccine only protects against influenza, not other illnesses.
text: A flu vaccine protects against the flu viruses that research indicates will be most common during the upcoming season.
text: Trivalent” flu vaccines are formulated to protect against three flu viruses, and “quadrivalent” flu vaccines protect against four flu viruses.
text: The seasonal flu vaccine protects against the influenza viruses that research indicates will be most common during the upcoming season.