Figure 5: Notification rates of laboratory confirmed influenza, Australia, 2009, by sex and age group* This figure shows notifications rates of influenza by sex and 5-year age group for cases in 2009. It highlights that age-specific notification rates were higher in males compared to females amongst those aged less than 20 years and 70 years and over. Additionally, notifications were highest in younger age groups, peaking in the 10-14 years age group, with a downward trend with increasing age.