Drees M, Wroten K, Smedley M, Mase T, Schwartz JS Infect Control Hosp Epidemiol 2015 Jun;36(6):717-24 PMID: 25721404 Abstract OBJECTIVE Achieving high healthcare personnel (HCP) influenza vaccination rates has typically required mandating vaccination, which is often challenging to implement. Our objective was to achieve >90% employee influenza vaccination without a mandate. DESIGN Prospective quality improvement