Seasonal Influenza Weekly Reports

 Influenza (Flu) Activity in Indiana 2024 – 2025

A weekly update on influenza (flu) activity in Marion County will be provided by MCPHD each Monday. This update includes general information on flu activity based on influenza surveillance activities throughout Marion County. To subscribe to this report, email your name and email address to Epidemiology@MarionHealth.org , with subject “Add to Weekly Flu Report distribution list”.

• Week 13 (Mar 23 – Mar 29)
• Week 12 (Mar 16 – Mar 22)
• Week 11 (Mar 09 – Mar 15)
• Week 10 (Mar 02 – Mar 08)
• Week 09 (Feb 23 – Mar 01)
• Week 08 (Feb 16 – Feb 22)
• Week 07 (Feb 09 – Feb 15)
• Week 06 (Feb 02 – Feb 08)
• Week 05 (Jan 26 – Feb 01)
• Week 04 (Jan 19 – Jan 25)
• Week 03 (Jan 12 – Jan 18)
• Week 02 (Jan 05 – Jan 11)
• Week 01 (Dec 29 – Jan 04)
• Week 52 (Dec 22 – Dec 28)
• Week 51 (Dec 15 – Dec 21)
• Week 50 (Dec 08 – Dec 14)
• Week 49 (Dec 01 – Dec 07)
• Week 48 (Nov 24 – Nov 30)
• Week 47 (Nov 17 – Nov 24)
• Week 46 (Nov 10 – Nov 16)
• Week 45 (Nov 03 – Nov 09)
• Week 44 (Oct 27 – Nov 02)
• Week 43 (Oct 20 – Oct 26)
• Week 42 (Oct 13 – Oct 19)
• Week 41 (Oct 06 – Oct 12)

2023 – 2024

• Week 17 (Apr 21 – Apr 27)
• Week 16 (Apr 14 – Apr 20)
• Week 15 (Apr 07 – Apr 14)
• Week 14 ( Mar 31 – Apr 06)
• Week 13 (Mar 24 – Mar 30)
• Week 12 (Mar 17 – Mar 23)
• Week 11 (Mar 10 – Mar 16)
• Week 10 (Mar 03 – Mar 09)
• Week 09 (Feb 25 – Mar 02)
• Week 08 (Feb 18 – Feb 24)
• Week 07 (Feb 11 – Feb 17)
• Week 06 (Feb 04 – Feb 10)
• Week 05 (Jan 28 – Feb 03)
• Week 04 (Jan 21 – Jan 27)
• Week 03 (Jan 14 – Jan 20)
• Week 02 (Jan 07 – Jan 13)
• Week 01 (Dec 31 – Jan 06)
• Week 52 (Dec 24 – Dec 30)
• Week 51 (Dec 17 – Dec 23)
• Week 50 (Dec 10 – Dec 16)
• Week 49 (Dec 03 – Dec 09)
• Week 48 (Nov 26 – Dec 02)
• Week 47 (Nov 19 – Nov 25)
• Week 46 (Nov 12 – Nov 18)
• Week 45 (Nov 05 – Nov 11)
• Week 44 (Oct 29 – Nov 04)
• Week 43 (Oct 22 – Oct 28)
• Week 42 (Oct 15 – Oct 21)

Archived Influenza Weekly Report Page