| Component | Operational definition | Examples | 
| Education or promotion | Organized effort to raise awareness and/or increase knowledge about influenza and influenza vaccination | Educational sessions and materials, materials or events promoting vaccine, incentives | 
| Improved access to vaccine | Strategies to allow for easier access to vaccination for healthcare workers | Mobile vaccine carts, peer-to-peer vaccination, additional or extended vaccine clinics | 
| Legislation or regulation | Interventions involving changes in vaccination policy for healthcare workers | Staff vaccination policy, mandatory vaccination programs, declination forms | 
| Measurement and feedback | Tracking of vaccination rates of healthcare workers and dissemination of results | Regular monitoring of vaccination coverage rates, reporting of coverage rates to administrators and healthcare personnel | 
| Role models | Activities that involve leaders and/or senior staff to encourage vaccination | Vaccination advocates and champions, public support from leaders, visible vaccination of senior staff |