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Seasonal Influenza Weekly Reports

 Influenza (Flu) Activity in Indiana 2021 – 2022

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 11 (Mar 13 – Mar 19)
• Week 10 (Mar 06 – Mar 12)
• Week 09 (Feb 27 – Mar 05)
• Week 08 (Feb 20 – Feb 26)
• Week 07 (Feb 13 – Feb 19)
• Week 06 (Feb 06 – Feb 12)
• Week 05 (Jan 30 – Feb 05)
• Week 04 (Jan 23 – Jan 29)
• Week 03 (Jan 16 – Jan 22)
• Week 02 (Jan 09 – Jan 15)
• Week 01 (Jan 02 – Jan 08)
• Week 52 (Dec 26 – Jan 01)
• Week 51 (Dec 19 – Dec 25)
• Week 50 (Dec 12 – Dec 18)
• Week 49 (Dec 05 – Dec 11)
• Week 48 (Nov 28 – Dec 04)
• Week 47 (Nov 21 – Nov 27)
• Week 46 (Nov 14 – Nov 20)
• Week 45 (Nov 07 – Nov 13)
• Week 44 (Oct 31 – Nov 06)
• Week 43 (Oct 24 – Oct 30)
• Week 42 (Oct 17 – Oct 23)
• Week 41 (Oct 10 – Oct 16)

 Influenza (Flu) Activity in Indiana 2020 – 2021

• Week 20 (May 16 – May 22)
• Week 19 (May 09 – May15)
• Week 18 (May 02 – May 08)
• Week 17 (Apr 25 – May 01)
• Week 16 (Apr 18 – Apr 24)
• Week 15 (Apr 11 – Apr 17)
• Week 14 (Apr 04 – Apr 10)
• Week 13 (Mar 28 – Apr 03)
• Week 12 ( Mar 21 – Mar 27)
• Week 11 ( Mar 14 – Mar 20)
• Week 10 (Mar 07 – Mar 13)
• Week 09 ( Feb 28 – Mar 06) 
• Week 08 (Feb 21 – Feb 27)
• Week 07 (Feb 14 – Feb 20)
• Week 06 (Feb 07 – Feb 13) 
• Week 05 (Jan 31 – Feb 06)
• Week 04 (Jan 24 – Jan 30)
• Week 03 (Jan 17 – Jan 23)
• Week 02 (Jan 10 – Jan 16)
• Week 01 (Jan 03 – Jan 09)
• Week 53 (Dec 27 – Jan 02)
• Week 52 (Dec 20 – Dec 26)
• Week 51 (Dec 13 – Dec 19)
• Week 50 (Dec 6 – Dec 12)
• Week 49 (Nov 9 – Dec 05)
• Week 48 (Nov 22 – Nov 28)
• Week 47 (Nov 15 – Nov 21)
• Week 46 (Nov 8 – Nov 14)
• Week 45 (Nov 1 – Nov 07)
• Week 44 (Oct 25 – Oct 31)
• Week 43 (Oct 18 – Oct 24)
• Week 42 (Oct 11 – Oct 17)
• Week 41 (Oct 04 – Oct 10)
• Week 40 (Sep 27 – Oct 03)

Archived Influenza Weekly Report Page