Nursing staff focus groups, key informant interviews, and tests of academic detailing (educational outreach) scripts were conducted at five facilities. Based on the information gathered, the QUERI-like intervention was modified and tested at the Florence, Colorado SVH during one influenza season compared to no intervention at a nearby SVH. Forty random SVH nursing staff took an anonymous telephone survey of knowledge and attitudes about NHAP twice prior to the intervention. A second randomly selected group of CNAs and nurses took the survey after the intervention. Research assistants enrolled residents with NHAP, interviewed them and their nurses about their quality of life, assessed their function and reviewed their medical records. The intervention was multifaceted, including (1) a formative phase to tailor implementation and foster staff investment in process and outcomes, (2) institutional level change to facilitate immunization and use of appropriate antibiotics and tests; (3) interactive educational sessions to improve nursing assessment; and (4) academic detailing to physicians to impact diagnostic and prescribing practices. Data were analyzed by Template Analysis Technique for qualitative data; test-retest reliability of the knowledge and attitude survey; exploratory bivariate comparison of intervention delivery and uptake, process of care and outcomes between the intervention and control facilities.