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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

2010-2011 DSHS Flu Report Week 24

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The final report for the official 2010-2011 influenza season is located at:
http://www.dshs.state.tx.us/IDCU/disease/influenza/surveillance/2011/Week20/.

During week 24 in Texas:

  • No specimens tested by NREVSS laboratories in Texas were positive for influenza.
  • The percentage of visits for influenza-like illness (ILI) as reported by ILINet providers in Texas was below the state and HHS regional baselines.
  • No influenza-associated pediatric deaths were reported.
  • No influenza or ILI outbreaks were reported.
  • All but one DSHS Health Service Regions (HSRs) reported. HSRs 1 reported a decreased level of flu activity compared to week 23. HSRs 2/3, 4/5n, 6/5s, 8, 9/10 and 11 reported the same level of flu activity compared to week 23. For a map of Health Service Regions please visit the following website: http://www.dshs.state.tx.us/regions/state.shtm.

Laboratory Results

The National Respiratory and Enteric Virus Surveillance System (NREVSS) collects information on a variety of respiratory viruses including influenza, parainfluenza, respiratory syncytial virus (RSV), rhinovirus, human metapneumovirus (HMPV), and respiratory adenovirus. The results from week 24 are summarized below.

Testing results of other respiratory viruses reported through NREVSS
Virus Number of
Laboratories
Testing
Tests
Performed
Positive
Tests
Percentage
of Tests
Positive
Influenza 6 115 0 0.00%
Adenovirus (respiratory) 4 82 2 2.44%
HMPV 3 98 0 0.00%
Parainfluenza 4 82 3 3.66%
Rhinovirus 2 60 14 23.33%
RSV 12 145 0 0.00%

U.S. Outpatient Influenza-like Illness Surveillance Network

Thirty-six providers in Texas reported data to the U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet) (formerly known as the U.S. Influenza Sentinel Provider Surveillance System) on patients with influenza-like illness (ILI) and total patients seen for any reason during week 24. Of the 36 providers who saw patients, 10 (28%) saw at least one patient with ILI. Of all patient visits during this week, 1.25% were due to ILI.

 Percentage of Visits for Influenza-like Illness reported by the
US Outpatient Influenza-like Illness Surveillance Network (ILINet) in Texas
(6/24/2011 10:20:00 AM)

Week

# Reporting

Age
0-4

Age
5-24
Age
25-49
Age
50-64
Age 65
and older
Total
ILI
Total
Patients
% ILI
2011-40 97 375  375  209  55 27 1041 37881 2.75%
2011-41 96  400 389  193 53 19 1054 37677 2.80%

2011-42

97

374

443

202

36

22

1077

38758

2.78%

2011-43

95

395

429

188

59

37

1109

37514

2.96%

2011-44

98

398

525

191

66

29

1209

38431

3.15%

2011-45

96

437

553

189

67

35

1281

38838

3.30%

2011-46

94

372

471

181

46

35

1105

36696

3.01%

2011-47

89

429

309

153

36

27

954

27258

3.50%

2011-48

92

504

438

199

75

34

1250

36252

3.45%

2011-49

92

306

540

219

43

24

1132

35119

3.22%

2011-50

87

395

605

218

67

27

1312

34133

3.84%

2011-51

80

408

555

293

85

42

1383

26344

5.25%

2011-52

80

398

372

341

89

51

1251

28940

4.32%

2011-01

89

499

523

309

80

55

1466

33532

4.37%

2011-02

88

576

772

366

99

57

1870

34602

5.40%

2011-03

91

680

1032

491

145

54

2402

39161

6.13%

2011-04

96

827

1441

678

162

64

3172

42635

7.44%

2011-05

94

613

1335

658

148

63

2817

33849

8.32%

2011-06

91

676

1469

884

196

55

3280

40351

8.13%

2011-07

87

738

2007

1138

328

84

4295

42872

10.02%

2011-08

89

777

1462

736

178

57

3210

39561

8.11%

2011-09

86

575

879

454

127

107

2142

38255

5.60%

2011-10

81

452

741

329

82

19

1623

34850

4.66%

2011-11

84

348

423

301

77

24

1173

31144

3.77%

2011-12

82

336

413

248

57

28

1082

34763

3.11%

2011-13

79

330

367

200

37

12

946

32028

2.95%

2011-14

79

273

344

137

52

15

821

32528

2.52%

  2011-15

81

228

301

167

50

14

760

32980

2.30%

  2011-16

68

222

250

158

31

16

677

27796

2.44%

  2011-17

68

220

211

132

27

12

602

28912

2.08%

  2011-18

59

188

250

170

34

15

657

27515

2.39%

  2011-19

66

202

273

187

47

17

726

28148

2.58%

  2011-20

61

179

222

139

23

11

574

26330

2.18%

  2011-21

53

123

182

117

26

10

458

25340

1.81%

  2011-22

49

103

170

153

25

14

465

22024

2.11%

  2011-23  

45

92

131

108

28

8

367

23717

1.55%

  2011-24

36

59

54

50

10

6

179

14374

1.25%

 

 

ILI Data Chart

National Influenza Report

The final U.S. influenza weekly report (FluView) for the 2010-2011 influenza season may be found at: http://www.cdc.gov/flu/weekly/fluactivity.htm. National influenza reporting will resume on October 2, 2011.

  
Texas Flu Map

1Influenza activity level corresponds to current MMWR week only and does not reflect previous weeks' activity.
2The majority of influenza cases are not reportable by law to the Texas Department of State Health Services. This map contains data from sentinel sites and does not represent all influenza cases in the state.
3Positive laboratory results are reported according to specimen collection date or date received in the lab if the former is unknown.


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Last updated June 24, 2011