Specific Aims: The specific aims of this research are to (1) develop and implement a comprehensive nurse-run FLU-FIT Program at the KP Santa Clara facility that will systematize the offering of FIT to all eligible patients aged 50 to 80 who attend annual influenza vaccination clinics; (2) test the effectiveness of the FLU-FIT Program in improving colorectal cancer screening rates in the context of a time-randomized, controlled trial involving an ethnically diverse population of influenza vaccination clinic attendees at 8 influenza vaccination sites within 4 other KP Northern California service areas; (3) evaluate the reach and robustness of the FLU-FIT Program as implemented within these 8 sites, and (4) create a FLU-FIT Program Toolkit that can be used in further efforts to disseminate this intervention both within Kaiser Permanente and to other clinical settings.