Influenza Data Archive and Summary of Previous Influenza Seasons:
Influenza & Respiratory Activity Reports

On this page:
Archive: 2024-25 Weekly Influenza Activity
Summary Data for the Past 10 Influenza Seasons
Additional Archived Surveillance Data 
Other influenza data and statistics

Archive: 2024-25 Weekly Influenza Activity

• Off-Season Influenza Respiratory Illness Activity Report - Week 29 (PDF)
  Week Ending July 19, 2025 | WEEK 29
• Off-Season Influenza Respiratory Illness Activity Report - Week 28 (PDF)
  Week Ending July 12, 2025 | WEEK 28
• Off-Season Influenza Respiratory Illness Activity Report - Week 27 (PDF)
  Week Ending July 5, 2025 | WEEK 27
• Off-Season Influenza Respiratory Illness Activity Report - Week 26 (PDF)
  Week Ending June 28, 2025 | WEEK 26
• Off-Season Influenza Respiratory Illness Activity Report - Week 25 (PDF)
  Week Ending June 21, 2025 | WEEK 25
• Off-Season Influenza Respiratory Illness Activity Report - Week 24 (PDF)
  Week Ending June 14, 2025 | WEEK 24
• Off-Season Influenza Respiratory Illness Activity Report - Week 23 (PDF)
  Week Ending June 7, 2025 | WEEK 23
• Off-Season Influenza Respiratory Illness Activity Report - Week 22 (PDF)
  Week Ending May 31, 2025 | WEEK 22
• Influenza Respiratory Illness Activity Report - Week 20 (PDF)
  Week Ending May 17, 2025 | WEEK 20
• Influenza Respiratory Illness Activity Report - Week 19 (PDF)
  Week Ending May 10, 2025 | WEEK 19
• Influenza Respiratory Illness Activity Report - Week 18 (PDF)
  Week Ending May 3, 2025 | WEEK 18
• Influenza Respiratory Illness Activity Report - Week 17 (PDF)
  Week Ending April 26, 2025 | WEEK 17
• Influenza Respiratory Illness Activity Report - Week 16 (PDF)
  Week Ending April 19, 2025 | WEEK 16
• Influenza Respiratory Illness Activity Report - Week 15 (PDF)
  Week Ending April 12, 2025 | WEEK 15
• Influenza Respiratory Illness Activity Report - Week 14 (PDF)
  Week Ending April 5, 2025 | WEEK 14
• Influenza Respiratory Illness Activity Report - Week 13 (PDF)
  Week Ending March 29, 2025 | WEEK 13
• Influenza Respiratory Illness Activity Report - Week 12 (PDF)
  Week Ending March 22, 2025 | WEEK 12
• Influenza Respiratory Illness Activity Report - Week 11 (PDF)
  Week Ending March 15, 2025 | WEEK 11
• Influenza Respiratory Illness Activity Report - Week 10 (PDF)
  Week Ending March 8, 2025 | WEEK 10
• Influenza Respiratory Illness Activity Report - Week 9 (PDF)
  Week Ending March 1, 2025 | WEEK 9
• Influenza Respiratory Illness Activity Report - Week 8 (PDF)
  Week Ending February 22, 2025 | WEEK 8
• Influenza Respiratory Illness Activity Report - Week 7 (PDF)
  Week Ending February 15, 2025 | WEEK 7
• Influenza Respiratory Illness Activity Report - Week 6 (PDF)
  Week Ending February 8, 2025 | WEEK 6
• Influenza Respiratory Illness Activity Report - Week 5 (PDF)
  Week Ending February 1, 2025 | WEEK 5
• Influenza Respiratory Illness Activity Report - Week 4 (PDF)
  Week Ending January 25, 2025 | WEEK 4
• Influenza Respiratory Illness Activity Report - Week 3 (PDF)
  Week Ending January 18, 2025 | WEEK 3
• Influenza Respiratory Illness Activity Report - Week 2 (PDF)
  Week Ending January 11, 2025 | WEEK 2
• Influenza Respiratory Illness Activity Report - Week 1 (PDF)
  Week Ending January 4, 2025 | WEEK 1
• Influenza Respiratory Illness Activity Report - Week 52 (PDF)
  Week Ending December 28, 2024 | WEEK 52
• Influenza Respiratory Illness Activity Report - Week 51 (PDF)
  Week Ending December 24, 2024 | WEEK 51
• Influenza Respiratory Illness Activity Report - Week 50 (PDF)
  Week Ending December 14, 2024 | WEEK 50
• Influenza Respiratory Illness Activity Report - Week 49 (PDF)
  Week Ending December 7, 2024 | WEEK 49
• Influenza Respiratory Illness Activity Report - Week 48 (PDF)
  Week Ending November 30, 2024 | WEEK 48
• Influenza Respiratory Illness Activity Report - Week 47 (PDF)
  Week Ending November 23, 2024 | WEEK 47
• Influenza Respiratory Illness Activity Report - Week 46 (PDF)
  Week Ending November 16, 2024 | WEEK 46
• Influenza Respiratory Illness Activity Report - Week 45 (PDF)
  Week Ending November 9, 2024 | WEEK 45
• Influenza Respiratory Illness Activity Report - Week 44 (PDF)
  Week Ending November 2, 2024 | WEEK 44
• Influenza Respiratory Illness Activity Report - Week 43 (PDF)
  Week Ending October 26, 2024 | WEEK 43
• Influenza Respiratory Illness Activity Report - Week 42 (PDF)
  Week Ending October 19, 2024 | WEEK 42
• Influenza Respiratory Illness Activity Report - Week 41 (PDF)
  Week Ending October 12, 2024 | WEEK 41
• Influenza Respiratory Illness Activity Report - Week 40 (PDF)
  Week Ending October 5, 2024 | WEEK 40

Summary data for the past 10 influenza seasons

• Minnesota Department of Health Weekly Influenza & Respiratory Activity Report: Summary 2023-24 (PDF)
  MDH uses several systems during influenza season to estimate the level of influenza activity among Minnesotans. Data reported in this slide set include cases and deaths from October 2023 through May 2024.
• Minnesota Department of Health Weekly Influenza & Respiratory Activity Report: Summary 2022-23 (PDF)
  MDH uses several systems during influenza season to estimate the level of influenza activity among Minnesotans. Data reported in this slide set include cases and deaths from October 2022 through May 2023.
• Minnesota Department of Health Weekly Influenza & Respiratory Activity Report: Summary 2021-22 (PDF)
  MDH uses several systems during influenza season to estimate the level of influenza activity among Minnesotans. Data reported in this slide set include cases and deaths from October 2021 through May 2022.
• Minnesota Department of Health Weekly Influenza & Respiratory Activity Report: Summary 2020-21 (PDF)
  MDH uses several systems during influenza season to estimate the level of influenza activity among Minnesotans. Data reported in this slide set include cases and deaths from October 2020 through May 2021.
• Minnesota Department of Health Weekly Influenza & Respiratory Activity Report: Summary 2019-20 (PDF)
  MDH uses several systems during influenza season to estimate the level of influenza activity among Minnesotans. Data reported in this document include cases from October 2019 through May 2020.
• Minnesota Department of Health Weekly Influenza & Respiratory Activity Report: Summary 2018-19 (PDF)
  MDH uses several systems during influenza season to estimate the level of influenza activity among Minnesotans. Data reported in this document include cases from October 2018 through May 2019.
• Minnesota Department of Health Weekly Influenza & Respiratory Activity Report: Summary 2017-18 (PDF)
  MDH uses several systems during influenza season to estimate the level of influenza activity among Minnesotans. Data reported in this document include cases from October 2017 through May 2018.
• Weekly Influenza and Respiratory Illness Activity Report: Summary 2016-17 (PDF)
  MDH uses several systems during influenza season to estimate the level of influenza activity among Minnesotans. Data reported in this document include cases from October 2016 through May 2017.
• Weekly Influenza and Respiratory Illness Activity Report: Summary 2015-16 (PDF)
  MDH uses several systems during influenza season to estimate the level of influenza activity among Minnesotans. Data reported in this slide set include cases from October 2015 through May 2016.
• Weekly Influenza and Respiratory Illness Activity Report: Summary 2014-15 (PDF)
  MDH uses several systems during influenza season to estimate the level of influenza activity among Minnesotans. Data reported in this slide set include cases from October 2014 through May 2015.

Additional Archived Surveillance Data

• Influenza-like Illness (ILI) Outbreaks in Schools and Influenza Outbreaks in Long-term Care Facilities by County in Minnesota, 2019-2020 (PDF)
• Influenza-Associated Death Surveillance, Minnesota, 2010-2018 (PDF)
• Number and Incidence of Influenza-related Hospitalizations by District and Season, Minnesota, 2011-2023 (PDF)
• Number of Influenza Hospitalizations by County of Residence and Season, Minnesota, 2011-2023 (PDF)

Other influenza data and statistics

• Viral Respiratory Illness in Minnesota (Data & Statistics)
  Weekly rates of selected viral respiratory illnesses including: COVID-19, influenza, and RSV.
• Disease Control Newsletter (DCN)
  MDH annual summaries of communicable diseases, including influenza.
• CDC: FluView
  Routine national influenza surveillance updates from the Centers for Disease Control and Prevention (CDC).
• WHO: Influenza
  Includes reports of influenza disease from WHO regions around the world.
• FluVaxView
  Influenza vaccination coverage estimates from the Centers for Disease Control and Prevention (CDC) including interactive figures and tables.