Fig 1. Sickness presenteeism related to the severity of influenza-like illness and influenza-like symptoms by occupational group.

Pink: ILI symptoms classified as “major”. Green: ILI symptoms classified as “minor”. The radius of circles represents the percentage of respondents who would go to work with any of the symptoms. The bigger the circle, the higher the percentage of respondents reporting a symptom.HCW, healthcare worker; ILI, influenza-like illness.