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    Infectious Disease Prevention Section
    Mail Code: 1927
    PO BOX 149347 - Austin, TX 78714-9347
    1100 West 49th Street, Suite G401
    Austin, TX 78714

    Phone: (512) 776-7676
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Week 10

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2005-2006 Texas Influenza Surveillance Information

2005-2006 Season Summary

The flu activity level for the week ending March 11, 2006 is widespread. Flu activity was reported in all regions of the state. Overall, flu activity continues to decrease across the state.

Reports were received from all 11 Health Service Regions (HSRs) for week 10. An increase in flu activity was reported only in HSR 7. Activity remained about the same in HSRs 2/3, 6/5S, and 11. A decrease in flu activity was reported in HSRs 1, 4/5N, 8, and 9/10. For a map of Health Service Regions, please visit the following website:

Texas Health Service Regions Map

During week 10, culture confirmed influenza A was identified in Bell, Bastrop, Brazos, Burleson, Dallas, Harris, and Travis Counties.

Influenza A H1 has been identified in Texas for the first time this season in a 6 year-old resident of Dallas County and a 25 year-old university student in Travis County. These isolates will be sent to the Centers for Disease Control and Prevention (CDC) for further strain characterization.

Culture confirmed influenza B was identified in Bell, Brazos, Dallas, Lubbock, and McLennan Counties during week 10.

Beaumont ISD reported an outbreak of influenza; however, no school closures have resulted.

No other institutional outbreaks were reported.

For more information on flu surveillance activities in the State of Texas, please visit the following website: Flu Surveillance

Data from the Sentinel Provider Surveillance Network (SPSN) shows a further decrease in ILI activity. 

PERCENTAGE OF VISITS FOR INFLUENZA-LIKE-ILLNESS REPORTED BY SENTINEL PROVIDERS IN TEXAS as of March 17, 2006
Week # Reporting Age 0-4 Age 5-24 Age 25-64 Age over 64 Total ILI Total Patients % ILI
2005-49 39 118 181 116 3 418 12894 3.24
2005-50 45 160 268 190 13 631 14410 4.37
2005-51 44 146 149 61 7 363 7797 4.65
2005-52 39 219 232 363 29 843 10140 8.31
2006-01 40 177 201 297 46 721 11399 6.32
2006-02 55 229 359 269 36 893 15487 5.76
2006-03 47 297 399 287 28 1011 13520 7.47
2006-04 69 331 469 304 42 1146 18518 6.18
2006-05 64 282 420 265 44 1011 17853 5.66
2006-06 67 278 375 230 27 910 18375 4.95
2006-07 62 239 358 207 33 837 18270 4.58
2006-08 67 261 426 238 38 963 18767 5.13
2006-09 62 208 342 176 21 747 16596 4.50
2006-10 44 147 232 141 22 542 13593 3.98

Percentage of Physician Visits Due to Influenza-Like Illness Texas Sentinel Providers Surveillance Network 2005-2006 Season

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Statewide Influenza Activity For the Week Ending March 11, 2006 (MMWR Week 10)

Statewide Influenza Activity
*Influenza activity level corresponds to current MMWR week only and does not reflect previous weeks’ activity.

2005-2006 Texas Influenza Surveillance Information - Flu Reports

For the week ending: 
10/15/05, 10/22/05, 10/29/05, 11/05/05, 11/12/05, 11/19/05, 11/26/05, 12/10/05, 12/17/05, 12/24/05, 01/07/06, 01/14/06, 01/21/06, 01/28/06, 02/04/06, 02/11/06, 02/18/06, 02/25/06, 03/04/06, 03/18/06, 03/26/06, 04/01/06, 04/08/06, 04/15/06, 04/22/06, 04/29/06, 05/12/06, 05/19/06, 05/20/06

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Last updated May 17, 2021