Weekly Influenza Reports Archive
- 2016-2021
Influenza (Flu) Activity in Indiana 2020-2021
A weekly update on influenza (flu) activity in Indiana is provided by state health officials each Friday. This update includes general information on flu activity based on influenza surveillance activities throughout the state.
- Week 20, Week Ending May 22, 2021
- Week 19, Week Ending May 15, 2021
- Week 18, Week Ending May 8, 2021
- Week 17, Week Ending May 1, 2021
- Week 16, Week Ending April 24, 2021
- Week 15, Week Ending April 17, 2021
- Week 14, Week Ending April 10, 2021
- Week 13, Week Ending April 3, 2021
- Week 12, Week Ending March 27, 2021
- Week 11, Week Ending March 20, 2021
- Week 10, Week Ending March 13, 2021
- Week 9, Week Ending March 6, 2021
- Week 8, Week Ending February 27, 2021
- Week 7, Week ending February 20, 2021
- Week 6, Week Ending February 13, 2021
- Week 5, Week Ending February 6, 2021
- Week 4, Week Ending January 30, 2021
- Week 3, Week Ending January 23, 2021
- Week 2, Week Ending January 16, 2021
- Week 1, Week Ending January 9, 2021
- Week 53, Week Ending January 2, 2021
- Week 52, Week Ending December 26, 2020
- Week 51, Week Ending December 19, 2020
- Week 50, Week Ending December 12, 2020
- Week 49, Week Ending December 5, 2020
- Week 48, Week Ending November 28, 2020
- Week 47, Week Ending November 21, 2020
- Week 46, Week Ending November 14, 2020
- Week 45, Week Ending November 7, 2020
- Week 44, Week Ending October 31, 2020
- Week 43, Week Ending October 24, 2020
- Week 42, Week Ending October 17, 2020
- Week 41, Week Ending October 10, 2020
- Week 40, Week Ending October 3, 2020
Influenza (Flu) Activity in Indiana 2019-2020
- Week 20, Week Ending May 16, 2020
- Week 19, Week Ending May 9, 2020
- Week 18, Week Ending May 2, 2020
- Week 17, Week Ending April 25, 2020
- Week 16, Week Ending April 18, 2020
- Week 15, Week Ending April 11, 2020
- Week 14, Week Ending April 4, 2020
- Week 13, Week Ending March 28, 2020
- Week 12, Week Ending March 21, 2020
- Week 11, Week Ending March 14, 2020
- Week 10, Week Ending March 7, 2020
- Week 9, Week Ending February 29, 2020
- Week 8, Week Ending February 22, 2020
- Week 7, Week Ending February 15, 2020
- Week 6, Week Ending February 8, 2020
- Week 5, Week Ending February 1, 2020
- Week 4, Week Ending January 25, 2020
- Week 3, Week Ending January 18, 2020
- Week 2, Week Ending January 11, 2020
- Week 1, Week Ending January 4, 2020
- Week 52, Week Ending December 28, 2019
- Week 51, Week Ending December 21, 2019
- Week 50, Week Ending December 14, 2019
- Week 49, Week Ending December 7, 2019
- Week 48, Week Ending November 30, 2019
- Week 47, Week Ending November 23, 2019
- Week 46, Week Ending November 16, 2019
- Week 45, Week Ending November 9, 2019
- Week 44, Week Ending November 2, 2019
- Week 43, Week Ending October 26, 2019
- Week 42, Week Ending October 19, 2019
- Week 41, Week Ending October 12, 2019
- Week 40, Week Ending October 5, 2019
Influenza (Flu) Activity in Indiana 2018-2019
- Week 20, Week Ending May 18, 2019
- Week 19, Week Ending May 11, 2019
- Week 18, Week Ending May 4, 2019
- Week 17, Week Ending April 27, 2019
- Week 16, Week Ending April 20, 2019
- Week 15, Week Ending April 13, 2019
- Week 14, Week Ending April 6, 2019
- Week 13, Week Ending March 30, 2019
- Week 12, Week Ending March 23, 2019
- Week 11, Week Ending March 16, 2019
- Week 10, Week Ending March 9, 2019
- Week 9, Week Ending March 2, 2019
- Week 8, Week Ending February 23, 2019
- Week 7, Week Ending February 16, 2019
- Week 6, Week Ending February 9, 2019
- Week 5, Week Ending February 2, 2019
- Week 4, Week Ending January 26, 2019
- Week 3, Week Ending January 19, 2019
- Week 2, Week Ending January 12, 2019
- Week 1, Week Ending January 5, 2019
- Week 52, Week Ending December 29, 2018
- Week 51, Week Ending December 22, 2018
- Week 50, Week Ending December 15, 2018
- Week 49, Week Ending December 8, 2018
- Week 48, Week Ending December 1, 2018
- Week 47, Week Ending November 24, 2018
- Week 46, Week Ending November 17, 2018
- Week 45, Week Ending November 10, 2018
- Week 44, Week Ending November 3, 2018
- Week 43, Week Ending October 27, 2018
- Week 42, Week Ending October 20, 2018
- Week 41, Week Ending October 13, 2018
- Week 40, Week Ending October 6, 2018
Influenza (Flu) Activity in Indiana 2017-2018
- Week 20, Week Ending May 19, 2018
- Week 19, Week Ending May 12, 2018
- Week 18, Week Ending May 5, 2018
- Week 17, Week Ending April 28, 2018
- Week 16, Week Ending April 21, 2018
- Week 15, Week Ending April 14, 2018
- Week 14, Week Ending April 7, 2018
- Week 13, Week Ending March 31, 2018
- Week 12, Week Ending March 24, 2018
- Week 11, Week Ending March 17, 2018
- Week 10, Week Ending March 10, 2018
- Week 9, Week Ending March 3, 2018
- Week 8, Week ending February 24, 2018
- Week 7, Week Ending February 17, 2018
- Week 6, Week Ending February 10, 2018
- Week 5, Week Ending February 3, 2018
- Week 4, Week Ending January 27, 2018
- Week 3, Week Ending January 20, 2018
- Week 2, Week Ending January 13, 2018
- Week 1, Week Ending January 6, 2018
- Week 52, Week Ending December 30, 2017
- Week 51, Week Ending December 23, 2017
- Week 50, Week Ending December 16, 2017
- Week 49, Week Ending December 9, 2017
- Week 48, Week Ending December 2, 2017
- Week 47, Week Ending November 25, 2017
- Week 46, Week Ending November 18, 2017
- Week 45, Week Ending November 11, 2017
- Week 44, Week Ending November 4, 2017
- Week 43, Week Ending October 28, 2017
- Week 42, Week Ending October 21, 2017
- Week 41, Week Ending October 14, 2017
- Week 40, Week Ending October 7, 2017
Influenza (Flu) Activity in Indiana 2016-2017
- Week 20, Week Ending May 20, 2017
- Week 19, Week Ending May 13, 2017
- Week 18, Week Ending May 6, 2017
- Week 17, Week Ending April 29, 2017
- Week 16, Week Ending April 22, 2017
- Week 15, Week Ending April 15, 2017
- Week 14, Week Ending April 8, 2017
- Week 13, Week Ending April 1, 2017
- Week 12, Week Ending March 25, 2017
- Week 11, Week Ending March 18, 2017
- Week 10, Week Ending March 11, 2017
- Week 9, Week Ending March 4,2017
- Week 8, Week Ending February 25, 2017
- Week 7, Week Ending February 18, 2017
- Week 6, Week Ending February 11, 2017
- Week 5, Week Ending February 4, 2017
- Week 4, Week Ending January 28, 2017
- Week 3, Week Ending January 21, 2017
- Week 2, Week Ending January 14, 2017
- Week 1, Week Ending January 7, 2017
- Week 52, Week Ending December 31, 2016
- Week 51, Week Ending December 24, 2016
- Week 50, Week Ending December 17, 2016
- Week 49, Week Ending December 10, 2016
- Week 48, Week Ending December 3, 2016
- Week 47, Week Ending November 26, 2016
- Week 46, Week Ending November 19, 2016
- Week 45, Week Ending November 12, 2016
- Week 44, Week Ending November 5, 2016
- Week 43, Week Ending October 29, 2016
- Week 42, Week Ending October 22, 2016
- Week 41, Week Ending October 15, 2016
- Week 40, Week Ending October 8, 2016
- 2011-2015
Influenza Reports: 2015-2016 Influenza Season
- Week 20, Week Ending May 21, 2016
- Week 17, Week Ending April 30, 2016
- Week 16, Week Ending April 23, 2016
- Week 15, Week Ending, April 16, 2016
- Week 14, Week Ending April 9, 2016
- Week 13, Week Ending April 2, 2016
- Week 12, Week Ending March 26, 2016
- Week 11, Week Ending March 19, 2016
- Week 10, Week Ending March 12, 2016
- Week 9, Week Ending March 5, 2016
- Week 8, Week Ending February 27, 2016
- Week 7, Week Ending February 20, 2016
- Week 6, Week Ending February 13, 2016
- Week 5, Week Ending February 6, 2016
- Week 4, Week Ending January 30, 2016
- Week 3, Week Ending January 23, 2016
- Week 2, Week Ending January 16, 2016
- Week 1, Week Ending January 9, 2016
- Week 52, Week Ending January 2, 2016
- Week 51, Week Ending December 26, 2015
- Week 50, Week Ending December 18, 2015
- Week 49, Week Ending December 12, 2015
- Week 48, Week Ending December 5, 2015
- Week 47, Week Ending November 28, 2015
- Week 46, Week Ending November 21, 2015
- Week 45, Week Ending November 14, 2015
- Week 44, Week Ending November 7, 2015
- Week 43, Week Ending October 31, 2015
- Week 42, Week Ending October 24, 2015
- Week 41, Week Ending October 17, 2015
- Week 40, Week Ending October 10, 2015
Influenza Reports: 2014-15 Influenza Season
- Week 20, Week Ending May 23, 2015
- Week 19, Week Ending May 16, 2015
- Week 18, Week Ending May 9, 2015
- Week 17, Week Ending May 2, 2015
- Week 16, Week Ending April 25, 2015
- Week 15, Week Ending April 18, 2015
- Week 14, Week Ending April 11, 2015
- Week 13, Week Ending April 4, 2015
- Week 12, Week Ending March 28, 2015
- Week 11, Week Ending March 21, 2015
- Week 10, Week Ending March 14, 2015
- Week 9, Week Ending March 7, 2015
- Week 8, Week Ending February 28, 2015
- Week 7, Week Ending February 21,2015
- Week 6, Week Ending February 14, 2015
- Week 5, Week Ending February 7, 2015
- Week 4, Week Ending January 31, 2015
- Week 3, Week Ending January 24, 2015
- Week 2, Week Ending January 17, 2015
- Week 1, Week Ending January 10, 2015
- Week 53, Week Ending January 3, 2015
- Week 52, Week Ending December 27, 2014
- Week 51, Week Ending December 20, 2014
- Week 50, Week Ending December 13, 2014
- Week 49, Week Ending December 6, 2014
- Week 48, Week Ending November 29, 2014
- Week 47, Week Ending November 22, 2014
- Week 46, Week Ending November 15, 2014
- Week 45, Week Ending November 8, 2014
- Week 44, Week Ending November 1, 2014
- Week 43, Week Ending October 25, 2014
- Week 42, Week Ending October 18, 2014
- Week 41, Week Ending October 11, 2014
- Week 40, Week Ending October 4, 2014
Influenza 2013-2014
- Week 20, Week Ending May 17, 2014
- Week 19, Week Ending May 10, 2014
- Week 18, Week Ending May 3, 2014
- Week 17, Week Ending April 26, 2014
- Week 16, Week Ending April 19, 2014
- Week 15, Week Ending April 12, 2014
- Week 14, Week Ending April 5, 2014
- Week 13, Week Ending March 29, 2014
- Week 12, Week Ending March 22, 2014
- Week 11, Week Ending March 15, 2014
- Week 10, Week Ending March 8, 2014
- Week 9, Week Ending March 1, 2014
- Week 8, Week Ending Feb. 22, 2014
- Week 7, Week Ending Feb. 15, 2014
- Week 6, Week Ending Feb. 8, 2014
- Week 5, Week Ending Feb. 1, 2014
- Week 4, Week Ending Jan. 25, 2014
- Week 3, Week Ending Jan. 18, 2014
- Week 2, Week Ending Jan. 11, 2014
- Week 1, Week Ending Jan. 4, 2014
- Week 52, Week Ending Dec. 28, 2013
- Week 51, Week Ending Dec. 21, 2013
- Week 50, Week Ending Dec. 14, 2013
- Week 49, Week Ending Dec. 7, 2013
- Week 48, Week Ending Nov. 30, 2013
- Week 47, Week Ending Nov. 23, 2013
- Week 46, Week Ending Nov. 16, 2013
- Week 45, Week Ending Nov. 9, 2013
- Week 44, Week Ending Nov. 2, 2013
- Week 43, Week Ending Oct. 26, 2013
- Week 42, Week Ending Oct. 19, 2013
- Week 41, Week Ending Oct. 12, 2013
- Week 40, Week Ending Oct. 5, 2013
Influenza 2012-2013
- Week 20, May 16 - May 23 2013
- Week 19, May 9 - May 15 2013
- Week 18, May 2 - May 8 2013
- Week 17, Apr. 26 - May 1 2013
- Week 16, Apr. 18 - Apr. 25 2013
- Week 15, Apr. 11 - Apr. 17 2013
- Week 14, Apr. 4 - Apr. 10 2013
- Week 13, Mar. 28 - Apr. 3 2013
- Week 12, Mar. 21- Mar. 27 2013
- Week 11, Mar. 13- Mar. 20 2013
- Week 10, Mar. 6 - Mar. 12 2013
- Week 9, Feb. 28 - Mar. 5 2013
- Week 8, Feb. 21 - Feb. 27 2013
- Week 7, Feb. 14- Feb. 20 2013
- Week 6, Feb. 7- Feb. 13 2013
- Week 5, Jan. 31- Feb. 6 2013
- Week 4, Jan. 24 - Jan. 30 2013
- Week 3, Jan. 17 - Jan. 23 2013
- Week 2, Jan. 10 - Jan. 16 2013
- Week 1, Jan. 3 - Jan. 9 2013
- Week 52, Dec. 27 - Jan. 2 2013
- Week 51, Dec. 20 - Dec.26 2012
- Week 50, Dec. 13 - Dec.19 2012
- Week 49, Dec. 6 - Dec. 12 2012
- Week 48, Nov. 29 - Dec. 5 2012
- Week 47, Nov. 22 - Nov. 28 2012
- Week 46, Nov. 15 - Nov. 21 2012
- Week 45, Nov. 8 - Nov. 14 2012
- Week 44, Nov. 1 - Nov. 7 2012
- Week 43, Oct. 25 - Oct. 31 2012
- Week 42, Oct. 18 - Oct. 24 2012
- Week 41, Oct. 10 - Oct. 17 2012
- Week 40, Oct. 3 - Oct. 9 2012
Influenza 2011-2012
- Week 20, May 16 - May 22 2012
- Week 19, May 10 - May 15 2012
- Week 18, May 3 - May 9 2012
- Week 16, Apr. 18 - April 25 2012
- Week 15, Apr. 9 - April 18 2012
- Week 14, Apr. 2 - Apr. 8 2012
- Week 13, Mar. 26 - Apr. 1 2012
- Week 12, Mar. 19 - Mar. 25 2012
- Week 11, Mar. 12 - Mar. 18 2012
- Week 10, Mar. 5 - Mar. 11 2012
- Week 9, Feb. 27 - Mar. 4 2012
- Week 8, Feb. 20 - Feb. 26 2012
- Week 7, Feb. 13 - Feb. 19 2012
- Week 6, Feb. 6 - Feb. 12, 2012
- Week 5, Jan. 30 - Feb. 5, 2012
- Week 4, Jan. 22 - Jan. 29, 2012
- Week 3, Jan. 15 - Jan. 21, 2012
- Week 2, Jan. 8 - Jan. 14, 2012
- Week 1, Jan. 1 - Jan. 7, 2012
- Week 52, Dec. 25 - Dec. 31, 2011
- Week 51, Dec. 18 - Dec. 24, 2011
- Week 50, Dec. 11 - Dec. 17, 2011
- Week 49, Dec. 4 - Dec. 10, 2011
- Week 48, Nov. 27-Dec. 3, 2011
- Week 47, Nov. 20-Nov. 26, 2011
- Week 46, Nov. 13-Nov. 19, 2011
- Week 45, Nov. 6-Nov. 12, 2011
- Week 44, Oct. 30-Nov. 5, 2011
- Week 43, Oct. 23-29, 2011
- Week 42, Oct. 16-22, 2011
- Week 41, Oct. 9-15, 2011
- Week 40, Oct. 2-8, 2011