2016-2017 Influenza Season Week 21 ending May 27, 2017
Weekly U.S. Influenza Surveillance Report
The CDC Influenza Division collects, compiles, and analyzes information on Influenza activity year-round in the US and produces FluView, a weekly influenza surveillance report. During week 21, ending May 27, flu activity decreased. While the 2016-2017 flu season has peaked, Arizona reported low influenza-like illness activity.