Assertion: flu vaccine | /r/CapableOf | protect against virus
Facets:
Source sentences:
text: Every year, flu vaccines are made to protect against the viruses that research suggests will be most common.
text: It’s important to remember that flu vaccine protects against three or four different flu viruses and multiple viruses usually circulate during any one season.
text: Second, because flu viruses are constantly changing, flu vaccines may be updated from one season to the next to protect against the viruses that research suggests may be most common during the upcoming flu season.