Are medical residents a “core group” for future improvement of influenza vaccination coverage in health-care workers? A study among medical residents at the University Hospital of Palermo (Sicily)

► Italian medical residents are not very compliant with influenza vaccination. ► Vaccinated medical residents are uncertain about the rationale and logic for vaccination. ► Self-protection was the main reason associated with vaccination. ► Medical residents include a core group that habitually accepts vaccination. ► Influenza vaccination campaigns should consider medical residents as a priority group.