The 2008-2009 influenza season activity levels data indicates activity level reported by epidemiological week;
The 2008-2009 influenza season respiratory virus detection indicates the number of laboratory tests conducted for respiratory viruses by week;
The 2008-2009 influenza season outbreaks data indicates the number of outbreaks reported by setting and epidemiological week and the 2008-2009 influenza season Influenza-like-Illness data indicates the rate of Influenza-like-Illness per 1000 patient visits by epidemiological week.