Influenza (Flu) and respiratory syncytial virus (RSV) reports are generated weekly during influenza/RSV season and a yearly report is available summarizing the data. The first day of the 2018-2019 season was September 30, 2018 and will continue through September 28, 2019.
The reporting week coincides with the MMWR week and are not the same every year. Weekly reports have a time period from Sunday to Saturday, with the week ending always on Saturday.
Annual Reports
This report summarizes the influenza activity in Maricopa County throughout the flu season.
View the Most Recent Annual Report (PDF) | View All the Annual Reports
Influenza (Flu) Home Page