Percent of potential hours worked annually that were lost due to influenza illness by age group. The dashed line shows the increase in the proportion of hours lost due to own illness or disability with increasing age. The estimated proportion of hours lost due to an infection with the pandemic strain was similar for all age groups.
Schanzer et al. BMC Infectious Diseases 2011 11:90 doi:10.1186/1471-2334-11-90