According to ADHS, there are 2,629 more flu cases reported than this time last year.
As of Dec. 20, there have been 2,976 cases of flu reported compared to 347 for the same time period in 2016, which is a 758 percent increase in flu activity.
ADHS said this is the highest number of flu cases since the flu test became reportable.
In the last two seasons, flu cases in Arizona didn't reach these numbers until February.
The Centers for Disease Control and Prevention recommends that everyone over the age of six months get a flu shot each season.
So far this influenza season 2,976 influenza cases have been reported, compared to just 347 cases last season.
Protect yourself and your family against the flu, get your flu shot! »