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Major article| Volume 41, ISSUE 4, P340-344, April 2013

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Measuring influenza immunization coverage among health care workers in acute care hospitals and continuing care organizations in Canada

  • Susan Quach
    Affiliations
    Surveillance and Epidemiology Unit, Public Health Ontario, Toronto, Ontario, Canada
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  • Jennifer A. Pereira
    Affiliations
    Surveillance and Epidemiology Unit, Public Health Ontario, Toronto, Ontario, Canada
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  • Jemila S. Hamid
    Affiliations
    Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada
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  • Lois Crowe
    Affiliations
    Bruyère Research Institute, Bruyère Continuing Care and University of Ottawa Partnership, Ottawa, Ontario, Canada
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  • Christine L. Heidebrecht
    Affiliations
    Surveillance and Epidemiology Unit, Public Health Ontario, Toronto, Ontario, Canada
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  • Jeffrey C. Kwong
    Affiliations
    Surveillance and Epidemiology Unit, Public Health Ontario, Toronto, Ontario, Canada

    Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada

    Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada

    Department of Family Medicine and Community Medicine, University of Toronto, Toronto, Ontario, Canada
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  • Maryse Guay
    Affiliations
    Département des sciences de la santé communautaire, Université de Sherbrooke, Longueuil, Québec, Canada

    Institut national de santé publique du Québec, Longueuil, Québec, Canada

    Direction de santé publique, Agence de la santé et des services sociaux de la Montérégie, Longueuil, Québec, Canada
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  • Natasha S. Crowcroft
    Affiliations
    Surveillance and Epidemiology Unit, Public Health Ontario, Toronto, Ontario, Canada

    Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada

    Laboratory Medicine and Pathobiology Department, University of Toronto, Toronto, Ontario, Canada
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  • Allison McGeer
    Affiliations
    Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada

    Laboratory Medicine and Pathobiology Department, University of Toronto, Toronto, Ontario, Canada

    Department of Microbiology, Mount Sinai Hospital, Toronto, Ontario, Canada
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  • Larry W. Chambers
    Affiliations
    Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada

    Bruyère Research Institute, Bruyère Continuing Care and University of Ottawa Partnership, Ottawa, Ontario, Canada

    Department of Epidemiology and Community Medicine, University of Ottawa, Ottawa, Ontario, Canada
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  • Sherman D. Quan
    Affiliations
    Surveillance and Epidemiology Unit, Public Health Ontario, Toronto, Ontario, Canada

    Centre for Innovation in Complex Care, University Health Network, Toronto, Ontario, Canada
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  • Julie A. Bettinger
    Correspondence
    Address correspondence to Julie A. Bettinger, PhD, MPH, Vaccine Evaluation Center, University of British Columbia, 950 W 28th Ave, Room A-5, Vancouver, BC V5Z4H4, Canada.
    Affiliations
    Vaccine Evaluation Center, British Columbia Children's Hospital, University of British Columbia, Vancouver, British Columbia, Canada
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  • Public Health Agency of Canada/Canadian Institutes of Health Research Influenza Research Network PCIRN Vaccine Coverage Theme Group
  • Canadian Healthcare Influenza Immunization Network
Published:August 17, 2012DOI:https://doi.org/10.1016/j.ajic.2012.04.333

      Background

      Immunizing health care workers against influenza is important for preventing and reducing disease transmission in health care environments. We describe the ability of Canadian health care organizations to measure influenza immunization coverage among health care workers and identify factors associated with comprehensive influenza immunization measurement.

      Methods

      A Web-based survey was distributed to influenza immunization campaign planners responsible for delivering the 2010-2011 influenza vaccine to health care workers working in acute care hospitals or long-term continuing care organizations. The primary outcome was the ability to comprehensively measure influenza immunization coverage.

      Results

      Of the 1,127 health care organizations approached, 721 (64%) responded. Ninety-one percent had incomplete immunization coverage measurement; 7% could not measure coverage among any personnel. After multivariable adjustment, organizations with a written influenza immunization implementation plan (odds ratio, 2.0; 95% confidence interval, 1.1-3.5) or a policy or procedure describing how to calculate or report immunization rates (odds ratio, 2.1; 95% confidence interval, 1.2-3.9) were more likely to have comprehensive measurement of influenza immunization coverage than organizations without these practices.

      Conclusion

      Most organizations demonstrated incomplete measurement of influenza immunization among health care workers. Given the use of influenza immunization coverage as a measure of quality of care, further work is needed to develop a standardized approach to improve its measurement.

      Key words

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      Linked Article

      • Health care workers, immunization and safety issues: Reflections from Italy
        American Journal of Infection ControlVol. 41Issue 7
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          We have read with interest the article by Quach et al,1 recently published in your authoritative journal. Many health care and public health organizations have introduced measures to encourage flu immunization coverage of health care workers (HCW), and some of them are implementing strategies in order to provide an adequate monitoring benchmarking. To the light of the importance of HCW in infectious disease control, we would like to take the opportunity to highlight the role of immunization, in different communicable disease, because we think that the efforts directed to flu should be combined to those directed to the prevention of others vaccine preventable disease.
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