By Ethan Covey
Influenza activity during the 2016-17 flu season was moderate, according to a CDC report. Influenza A(H3N2) viruses were predominant; however, influenza B viruses peaked during the later part of the season, which lasted from Oct. 2, 2016–May 20, 2017.
The report is part of CDC’s annual influenza tracking system (MMWR Morb Mortal Wkly Rep 2017;66:668–676). To track influenza progression, the CDC receives data from all 50 states, Puerto Rico, and the District of