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Infectious Disease Epidemiology Program

2009 H1N1 Influenza Surveillance Activity Reports

For additional information visit 2009 H1N1 Arizona Reponse.

The reports listed below are provided for historical purposes and reflect terminology used at the time of their original posting, they were originally posted on May 1, 2009, through September 16, 2009.

H1N1 data for the period September 13, 2009, through October 3, 2009, are included with the seasonal influenza reports for the 2008-2009 season. H1N1 data after October 3, 2009 are included with the seasonal influenza reports for the 2009-2010 season.

Note: Unlike the seasonal influenza reports, the H1N1 reports included cases reported up to the date of posting and the data may therefore not correspond exactly to the MMWR weeks. The reports below are organized according to the week they were posted. Posting dates are reflected in the filenames.

Arizona Influenza A(H1N1)pdm09 Reports
MMWR Weeks* Dates Reports
37 September 13, 2009 - September 19, 2009 Novel H1N1 Influenza Virus Update
36 September 6, 2009 - September 12, 2009 Novel H1N1 Influenza Virus Update
35 August 30, 2009 - September 5, 2009 Novel H1N1 Influenza Virus Update
34 August 23, 2009 - August 29, 2009 Novel H1N1 Influenza Virus Update
33 August 16, 2009 - August 22, 2009 Novel H1N1 Influenza Virus Update
32 August 9, 2009 - August 15, 2009 Novel H1N1 Influenza Virus Update
31 August 2, 2009 - August 8, 2009 Novel H1N1 Influenza Virus Update
30 July 26, 2009 - August 1, 2009 Novel H1N1 Influenza Virus Update
29 July 19, 2009 - July 25, 2009 Novel H1N1 Influenza Virus Update
28 July 12, 2009 - July 18, 2009 Novel H1N1 Influenza Virus Update
27 July 5, 2009 - July 11, 2009 Novel H1N1 Influenza Virus Update
26 June 28, 2012 - July 4, 2009 Novel H1N1 Influenza Virus Update
Novel H1N1 Influenza Virus Update
25 June 21, 2012 - June 27, 2009 Novel H1N1 Influenza Virus Update
24 June 14, 2012 - June 20, 2009 Novel H1N1 Influenza Virus Update
23 June 7, 2012 - June 13, 2009 Novel H1N1 Influenza Virus Update
22 May 31, 2012 - June 6, 2009 Novel H1N1 Influenza Virus Update
21 May 24, 2012 - May 30, 2009 Novel H1N1 Influenza Virus Update
Novel H1N1 Influenza Virus Update
Novel H1N1 Influenza Virus Update
20 May 17, 2009 - May 23, 2009 Novel H1N1 Influenza Virus Update
Novel H1N1 Influenza Virus Update
Novel H1N1 Influenza Virus Update
Novel H1N1 Influenza Virus Update
Novel H1N1 Influenza Virus Update
19 May 10, 2009 - May 16, 2009 Novel H1N1 Influenza Virus Update
Novel H1N1 Influenza Virus Update
Novel H1N1 Influenza Virus Update
Novel H1N1 Influenza Virus Update
Novel H1N1 Influenza Virus Update
18 May 3, 2009 - May 9, 2009 Novel H1N1 Influenza Virus Update
Novel H1N1 Influenza Virus Update
Novel H1N1 Influenza Virus Update
Novel H1N1 Influenza Virus Update
Novel H1N1 Influenza Virus Update
17 April 26, 2009 - May 2, 2009 Novel H1N1 Influenza Virus Update
Novel H1N1 Influenza Virus Update

*The MMWR week corresponds to the week of the year.  It does not refer to the same dates every year. MMWR weeks last from Sunday through Saturday and usually range from 1 to 52. Depending on how the days of the year fall within the weeks, it is possible to occasionally have a Week 53.

Note: Information provided in PDF files.