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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 1

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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

2006 - 2007 Texas Influenza Surveillance Information

Influenza Surveillance Report for MMWR Week 1

The flu activity level for the week ending January 6, 2007 is “regional”. Regional activity indicates that 2 or more but less than half of the regions are experiencing an increase in ILI and lab-confirmed (by culture) flu has been identified in those regions.

Flu reporting for week 1 was limited due to the holidays.

The DSHS laboratory isolated influenza A/H1 in only two specimens collected during week 1 from Erath and Bexar Counties. Influenza B/Malaysia/2506/2004-like was isolated in specimens collected from Bexar, Dallas and Randall Counties. HSR 1 reported culture confirmed flu A and B in Lubbock County. HSR 2/3 reported culture confirmed flu A in Tarrant County. Scott and White Laboratory reported culture confirmed flu A from McLennan and Bosque Counties. The Air Force Institute for Operational Health (AFIOH) reported no culture confirmed flu during week 1.

Reports were received from all 11 Health Service Regions (HSRs) for week 1. HSRs 1, 6/5S, and 9/10 reported an increase in flu activity from the previous week. For a map of Health Service Regions, please visit the following website:

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

No institutional outbreaks or school closures were reported for week 1.

Weekly Influenza Estimates by State

Sixty-four sentinel providers reported influenza-like illness (ILI) for week 1. Of all patient visits during this week, 4.92% were due to ILI. The baseline for Texas is 3.71%. The baseline is the mean percentage of patient visits for ILI during non-influenza weeks for the previous three seasons plus two standard deviations.

Percentage of Influenza-Like Illness (ILI) Reported by Sentinel Providers in Texas as of 01/12/07
Week # Reporting Age 0-4 Age 5-24 Age 25-64 Age over 64 Total ILI Total Patients % ILI

2006-40

60

71

120

65

9

265

15228

1.74

2006-41

58

104

126

93

14

337

16202

2.07

2006-42

76

250

187

154

44

635

24995

2.54

2006-43

76

219

188

153

20

580

23063

2.51

2006-44

71

235

254

164

39

692

22374

3.09

2006-45

70

356

249

182

42

829

22458

3.69

2006-46

70

495

312

228

62

1097

23837

4.60

2006-47

75

450

227

236

95

1008

19782

5.09

2006-48

77

442

275

301

70

1088

24189

4.49

2006-49

83

374

325

283

96

1078

24010

4.48

2006-50

71

387

380

252

80

1099

21973

5.00

2006-51

64

349

256

177

50

832

16562

5.02

2006-52

61

460

199

264

104

1027

15868

6.47

2007-01

64

324

183

242

72

821

16664

4.92



Percentage of Physician Visits Due to Influenza-Like Illness
Texas Sentinel Providers Surveillance Network
2006-2007 Season

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



Statewide Influenza Activity For the Week Ending January 6, 2007

(MMWR Week 1)
Statewide Influenza Activity

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



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