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Epidemiology
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Alaska Influenza Surveillance Report

Epidemiology
Updated 8/26/2008

A   B   A/B
30 most recent weeks for period 10/01/2007 through 9/7/2008

#
of
Cases




100
Influenza A/B; n=7Influenza B; n=25Influenza A; n=41
Influenza A/B; n=16Influenza B; n=16Influenza A; n=27
Influenza A/B; n=16Influenza B; n=40Influenza A; n=31
Influenza A/B; n=28Influenza B; n=26Influenza A; n=15
Influenza A/B; n=12Influenza B; n=19Influenza A; n=18
Influenza A/B; n=14Influenza B; n=25Influenza A; n=35
Influenza A/B; n=12Influenza B; n=40Influenza A; n=26
Influenza A/B; n=7Influenza B; n=13Influenza A; n=5
Influenza A/B; n=3Influenza B; n=9Influenza A; n=4
Influenza A/B; n=8Influenza B; n=14Influenza A; n=3
Influenza A/B; n=4Influenza B; n=5Influenza A; n=2
Influenza A/B; n=5Influenza B; n=13Influenza A; n=8
Influenza B; n=6Influenza A; n=2
Influenza B; n=9Influenza A; n=4
Influenza B; n=1Influenza A; n=4
Influenza B; n=2
Influenza A/B; n=1Influenza B; n=2Influenza A; n=2
Influenza A; n=1
Influenza A/B; n=5
Influenza A/B; n=1
Influenza A/B; n=1Influenza A; n=1
Influenza B; n=1
Influenza B; n=1
90
80
70
60
50
40
30
20
10
  9 16 23 1 8 15 22 29 5 12 19 26 3 10 17 24 31 7 14 21 28 5 12 19 26 2 9 16 23 30
Feb
2008
Mar
2008
Apr
2008
May
2008
Jun
2008
Jul
2008
Aug
2008

Date by Week Ending



Influenza Culture and Rapid Test Results by Region

  No. Positive for Date of Positive Specimen*
Region Influenza A

(culture or rapid test)
Influenza B

(culture or rapid test)
Influenza A/B

(rapid test only)
Influenza A Influenza B Influenza A/B
Earliest Latest Earliest Latest Earliest Latest
Anchorage/
Mat-Su
 234  90  127  10/07/2007   07/07/2008   11/13/2007   05/04/2008   11/12/2007   06/30/2008 
Gulf Coast  22  13  17  12/16/2007   05/31/2008   01/28/2008   05/27/2008   12/14/2007   07/09/2008 
Interior  101  134  2  10/15/2007   05/05/2008   12/14/2007   05/19/2008   01/17/2008   06/25/2008 
Northern  16  5  1  01/01/2008   05/07/2008   03/01/2008   03/25/2008   06/25/2008   06/25/2008 
Southeast  58  33  22  10/13/2007   06/18/2008   01/24/2008   08/18/2008   01/23/2008   03/20/2008 
Southwest  133  22  10  11/07/2007   05/17/2008   01/11/2008   05/09/2008   01/28/2008   06/25/2008 
Statewide  566  297  180  10/07/2007   07/07/2008   11/13/2007   08/18/2008   11/12/2007   07/09/2008 
Unknown  2    1  01/31/2008   04/11/2008       02/12/2008   02/12/2008 
*Date of illness, date of specimen collection or date received at laboratory; other respiratory viruses are not included in this report.



Influenza-like illness surveillance

Influenza-like-illness (ILI) reporting has concluded for the 2007-08 season. ILI surveillance will resume in October, 2008. If you are interested in participating in ILI surveillance for the 2008-09 season, please contact the Section of Epidemiology at 269-8000.
Updated 5/27/2008

Prepared by the Section of Epidemiology, based on data supplied by the State Virology Laboratory, Fairbanks, and other laboratories. Questions? Contact any member of the infectious disease team at the Section of Epidemiology in Anchorage at 907-269-8000 or Mary Westcott or Terry Schmidt at the State Virology Laboratory in Fairbanks at 907-474-7017.

Section of Epidemiology
CDC Influenza Report




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