Line graph demonstrates the rates for influenza like illness by week of report and year, from January 2012 to March 2013, that shows a seasonal trend that is associated with influenza-like-illness in the southern hemisphere. · The 2012 flu season peaked in week 29 at 26 notifications per 1000 consultations. ILI rates for the first quarter of 2013 were higher than the previous year, indicating higher than normal inter-seasonal influenza activity.