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    Infectious Disease Control Unit
    Mail Code: 1960
    PO BOX 149347 - Austin, TX 78714-9347
    1100 West 49th Street, Suite T801
    Austin, TX 78714

    Phone: 512 776 7676
    Fax: (512) 776-7616


    E-mail

week 10

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Surveillance

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Influenza Influenza
(Flu)
ICD-9 487; ICD-10 J10,11
Related Topics: Protecting Yourself During the Cold and Flu Season, Avian Flu, Vaccine Preventable Diseases, Asthma and SARS
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2005 - 2006 Texas Influenza Surveillance Information

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:

http://www.dshs.state.tx.us/regions/state.shtm

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:

http://www.dshs.state.tx.us/idcu/disease/influenza/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

influenza031106B



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.
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Texas Department of State Health Services - Infectious Disease Control Unit
1100 West 49th Street, Suite T801, Mail Code: 1960 PO BOX 149347 - Austin, TX 78714-9347
(512) 458-7676 - Fax: (512) 458-7616 - E-Mail

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Last updated December 10, 2010