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Am J Infect Control. 2016 Sep 1;44(9):1016-21. doi: 10.1016/j.ajic.2016.03.024. Epub 2016 May 5.

Association of increased influenza vaccination in health care workers with a reduction in nosocomial influenza infections in cancer patients.

Author information

1
Department of Infectious Diseases, Infection Control, and Employee Health, The University of Texas MD Anderson Cancer Center, Houston, TX. Electronic address: efrenzel@mdanderson.org.
2
Department of Infectious Diseases, Infection Control, and Employee Health, The University of Texas MD Anderson Cancer Center, Houston, TX.

Abstract

BACKGROUND:

Vaccination of health care workers (HCWs) remains a key strategy to reduce the burden of influenza infections in cancer patients.

METHODS:

In this 8-year study, we evaluated the effect of a multifaceted approach, including a mandatory influenza vaccination program, on HCW vaccination rates and its effect on nosocomial influenza infections in cancer patients.

RESULTS:

The influenza vaccination rate of all employees significantly increased from 56% (8,762/15,693) in 2006-2007 to 94% (17,927/19,114) in 2013-2014 (P < .0001). The 2009 mandatory participation program increased HCW vaccination rates in the targeted groups (P < .0001), and the addition of an institutional policy in 2012 requiring influenza vaccination or surgical mask use with each patient contact further increased vaccination rates by 10%-18% for all groups in 1 year. The proportion of nosocomial influenza infections significantly decreased (P = .045) during the study period and was significantly associated with increased HCW vaccination rates in the nursing staff (P = .043) and in personnel working in high-risk areas (P = .0497).

CONCLUSIONS:

Multifaceted influenza vaccination programs supported by institutional policy effectively increased HCW vaccination rates. Increased HCW vaccination rates were associated with a reduction in the proportion of nosocomial influenza infections in immunocompromised cancer patients.

KEYWORDS:

Influenza; cancer; health care workers; nosocomial infection; vaccination

PMID:
27158088
DOI:
10.1016/j.ajic.2016.03.024
[Indexed for MEDLINE]

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