Fig. 2.

Influenza vaccination status over time for healthcare personnel. 2a. The distribution of the cumulative years that healthcare personnel received influenza vaccines from 2011 to 2018 is displayed. Participants that did not report vaccination history for all 8 years are excluded. 2b. The proportion of healthcare personnel that received (green bars) or did not receive (orange bars) the influenza vaccine within each year is shown. The ribbons connecting each bar represent movement of healthcare personnel between vaccination status categories each year. Participants who did not report vaccination history for all 8 years are excluded. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)