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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 12

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Surveillance

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surveillance
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 25, 2006 is regional. This represents a reduction in the state’s flu activity level from widespread for the first time this season. Limited flu activity was reported in all 11 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 12. Only HSR 8 reported an increase in flu activity. Activity remained about the same in HSRs 1, 6/5S, 9/10, and 11. A decrease in flu activity was reported in HSRs 2/3, 4/5N, and 7. For a map of Health Service Regions, please visit the following website:

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

During week 12, culture confirmed influenza A was identified in Bexar and Harris Counties.

Culture confirmed influenza B was identified in Brazos and Harris Counties during week 12.

No institutional outbreaks or school closures 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 the level of influenza-like illness remains approximately the same as the previous week.


Percentage of Visits for Influenza-Like-Illness (ILI) Reported by Sentinel Providers in Texas
as of 3 /31/2006

Week

# Reporting

Age 0-4

Age 5-24

Age 25-64

Age over 64

Total ILI

Total Patients

% ILI

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

65

210

389

182

21

802

18329

4.37

2006-10

65

186

314

188

65

753

17707

4.25

2006-11

62

155

206

160

33

554

13328

4.15

2006-12

45

111

196

111

17

435

9495

4.58



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

influenza032506b

Statewide Influenza Activity For the Week Ending March 25, 2006

(MMWR Week 12)
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