Influenza vaccination uptake among Victorian healthcare workers: evaluating the success of a statewide program

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Abstract

Objective:

Annual influenza vaccination is recommended for all Australian healthcare workers (HCWs). In 2014, a target vaccination uptake of 75% was set for Victorian healthcare facilities. This study aimed to determine the 2014 uptake, describe trends over time and propose an enhanced reporting framework.

Methods:

Annual data submitted to the Victorian Healthcare Associated Infection Surveillance System (VICNISS) regarding HCW influenza were evaluated for 2005–2014. Faculty uptake – the number of vaccinations administered divided by total number of staff employed – was reported as a statewide aggregate and stratified by facility size (number of staff employed).

Results:

In 2014, 78,885 HCWs were vaccinated across 93 healthcare facilities, corresponding to an overall uptake of 72.2%. During 2005–2014, small facilities (<100 HCWs) generally reported highest uptake while larger facilities (≥800 HCWs) recorded lowest uptake. Larger facilities recorded the greatest increase (+13.9%) when 2013 and 2014 seasons were compared. For all healthcare facility size categories, the highest uptake was observed in 2014.

Conclusion:

Influenza vaccination uptake in HCWs has successfully been introduced as a performance indicator in Victorian healthcare facilities and a peak uptake was reported in 2014. Varied trends are evident when uptake is stratified by number of employed HCWs, providing a feasible and meaningful method for benchmarking.

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