Which Statement Is Reflective of the Use of Analytic Epidemiology

Which statement is reflective of the use of analytic epidemiology?

A) There is increased risk for West Nile fever due to standing flood waters and mosquitos.
B) Fourteen adults have reported flu-like symptoms after eating at a local diner.
C) Ten percent of the children entering kindergarten this fall need immunizations.
D) Two hundred older county residents came to the health department for flu shots.