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Influenza vaccination among health care personnel in California: 2010-2011 influenza season



Influenza vaccination among health care personnel (HCP) is a key measure to prevent influenza infection and transmission in health care settings. This study described influenza vaccination coverage among employees in various health care settings in California and examined factors associated with HCP influenza vaccination.


This study analyzed data from 111 facilities recruited through statewide invitation. Data on facility characteristics, vaccination programs, and vaccination receipt within and outside facilities were collected using Web-based questionnaires. Employees were defined as all persons in the facility payroll system regardless of patient contact. Facility-level employee vaccination coverage was calculated for 91 facilities.


The mean employee influenza vaccination coverage was 60.7% overall: 64.0% for acute care hospitals (n = 30), 54.7% for long-term care facilities (n = 22), 59.4% for ambulatory surgery centers (n = 8), 58.6% for dialysis centers (n = 25), and 77.2% for physician practices (n = 6). Vaccination promotion methods such as risk-benefit education, personal reminders, and vaccination data tracking and feedback were significantly associated with increased vaccination coverage.


The study findings suggest some variations in HCP vaccination coverage by type of health care setting as well as substantial challenges in reaching the Healthy People 2020 goal of 90%. Health care facilities need to use comprehensive promotion methods to improve HCP influenza vaccinations.

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