Routine seasonal influenza surveillance is conducted from
October 2011 through May 2012.

Influenza surveillance updates are posted each Wednesday afternoon.

Questions regarding seasonal influenza may be directed to epi@utah.gov or by calling (801) 538-6191.

Most recent influenza surveillance update:
-MMWR Week 20, 05/13/12 - 05/19/12 (last report for the season)

Previous influenza surveillance updates:
-MMWR Week 19, 05/06/12 - 05/12/12
-MMWR Week 18, 04/29/12 - 05/05/12
-MMWR Week 17, 04/22/12 - 04/28/12
-MMWR Week 16, 04/15/12 - 04/21/12
-MMWR Week 15, 04/08/12 - 04/14/12
-MMWR Week 14, 04/01/12 - 04/07/12
-MMWR Week 13, 03/25/12 - 03/31/12
-MMWR Week 12, 03/18/12 - 03/24/12
-MMWR Week 11, 03/11/12 - 03/17/12
-MMWR Week 10, 03/04/12 - 03/10/12
-MMWR Week 09, 02/26/12 - 03/03/12
-MMWR Week 08, 02/19/12 - 02/25/12
-MMWR Week 07, 02/12/12 - 02/18/12
-MMWR Week 06, 02/05/12 - 02/11/12
-MMWR Week 05, 01/29/12 - 02/04/12
-MMWR Week 04, 01/22/12 - 01/28/12
-MMWR Week 03, 01/15/12 - 01/21/12
-MMWR Week 02, 01/08/12 - 01/14/12
-MMWR Week 01, 01/01/12 - 01/07/12
-MMWR Week 52, 12/25/11 - 12/31/11
-MMWR Week 51, 12/18/11 - 12/24/11
-MMWR Week 50, 12/11/11 - 12/17/11
-MMWR Week 49, 12/04/11 - 12/10/11
-MMWR Week 48, 11/27/11 - 12/03/11
-MMWR Week 47, 11/20/11 - 11/26/11
-MMWR Week 46, 11/13/11 - 11/19/11
-MMWR Week 45, 11/06/11 - 11/12/11
-MMWR Week 44, 10/30/11 - 11/05/11
-MMWR Week 43, 10/23/11 - 10/29/11
-MMWR Week 42, 10/16/11 - 10/22/11
-MMWR Week 41, 10/09/11 - 10/15/11
-MMWR Week 40, 10/02/11 - 10/08/11