Assertion: flu shot | /r/HasProperty | updated
Facets:
value: based on the type of virus
type: OTHER
value: each year
type: TEMPORAL
Source sentences:
text: Because the flu shot is updated based on the type of virus circulating around the country each year, according to the Center for Disease Control and Prevention (CDC), a flu shot from last year won't necessarily protect you this year.
text: Because the flu shot is updated each year based on the type of virus that is spreading, as Dr. Hawkinson explains, getting it every year isn't going overboard.