Flu and RSV Reports

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 2016-2017 season was October 2, 2016 and will continue through September 30, 2017.

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
  1. Office of Epidemiology

    Physical Address
    4041 N Central Avenue
    Phoenix, AZ 85012

    Phone: 602-372-2605 / 602-372-2614
    Fax: 602-372-8935