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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

2011-2012 DSHS Flu Report Week 39

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Current Flu Activity Report in PDF Format

Please note: The 2012-2013 national influenza surveillance season began on September 30, 2012. The first report for the 2012-2013 influenza season will be available on Friday, October 12, 2012. For reports from the 2010-2011 season, please see http://www.dshs.state.tx.us/idcu/disease/influenza/surveillance/2011/.

During week 39 in Texas: 

  • Two specimens tested by NREVSS laboratories in Texas were positive for influenza (one influenza A (H3N2) and one influenza B) by PCR test. The DSHS Austin Laboratory reported two positive PCR tests for influenza A (H3N2).
  • The percentage of visits for influenza-like illness as reported by ILINet providers was 3.51%.
  • No influenza-associated pediatric deaths were reported.
  • No outbreaks of influenza or ILI were reported.
  • Reports were received from all Health Service Regions (HSRs). HSRs 1, 2/3, 4/5N, and 11 reported an increased level of flu activity compared to week 38. HSR 9/10 reported a decreased level of flu activity compared to week 38.   For a map of Health Service Regions please visit the following website: http://www.dshs.state.tx.us/regions/state.shtm
  • No variant influenza infections have been reported in Texas during 2011-2012 season.

Laboratory Results

The NREVSS system collects information on a variety of respiratory viruses including influenza virus, parainfluenza virus, respiratory syncytial virus (RSV), rhinovirus, human metapneumovirus (HMPV), and respiratory adenovirus. The results from week 39 are summarized below.

Other Respiratory Virus Results Reported by Texas NREVSS Laboratories

Virus

Number of Laboratories Testing

Tests Performed

Positive Tests

Percentage of Tests Positive

Influenza

9

573

2

0.35%

Adenovirus (respiratory)

8

541

16

2.96%

HMPV

7

376

0

0.00%

Parainfluenza virus

8

540

14

2.59%

Rhinovirus

5

300

128

42.67%

RSV

17

266

9

3.38%

U.S. Outpatient Influenza-like Illness Surveillance Network

Texas providers voluntarily report data to the U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet) on patients with influenza-like illness (ILI) and total patients seen for any reason each week. The data from participating Texas ILINet providers are presented below.

Percentage of Visits for Influenza–Like Illness Reported by
the US Outpatient Influenza–Like Illness Surveillance Network (ILINet) in Texas
10/04/2012 12:32:00 PM

 Week

# Reports

 Age
0-4

 Age
5-24

Age
25-49

Age
50-64

Age
65 +

 Total
ILI

Total
Patients

 %
ILI

2011-40

70

188 

297 

202

58

18

763

27935 

 2.73%

2011-41

69

200

243

181

52

12

688

28089

2.45%

2011-42

71

202

305

196

62

19

784

26341

2.98%

2011-43

70

227

306

225

50

17

825

28150

2.93%

2011-44

70 206 300 187 56 13 762 27888 2.73%

2011-45

71 241 305 234 53 24 857 28619 2.99%

2011-46

67 234 318 250 71 24 897 28711 3.12%

2011-47

69 215 232 197 48 23 715 22669 3.15%

2011-48

66 238 259 207 66 22 792 26510 2.99%

2011-49

65 238 196 134 39 25 632 20322 3.11%

2011-50

65 228 256 198 62 20 764 24240 3.15%

2011-51

62 253 213 207 66 30 769 22055 3.49%
2011-52 64 196 194 209 83 16 698 21310 3.28%
2012-01 70 227 229 214 48 18 736 26030 2.83%
2012-02 71 253 290 198 72 33 846 26555 3.19%
2012-03 69 272 327 238 49 21 907 26655 3.40%
2012-04 71 240 362 210 67 11 890 26829 3.32%
2012-05 69 318 383 241 72 17 1031 24933 4.14%
2012-06 69 295 448 273 63 20 1099 30879 3.56%
2012-07 70 328 483 325 79 18 1233 28901 4.27%
2012-08 69 376 421 210 67 29 1103 21273 5.18%
2012-09 68 287 540 420 104 39 1390 28914 4.81%
2012-10 66 235 389 195 58 32 909 19720 4.61%
2012-11 66 302 430 373 98 30 1233 22958 5.37%
2012-12 66 291 422 288 75 30 1106 26994 4.10%
2012-13 63 220 444 281 68 13 1026 25649 4.00%
2012-14 61 239 405 217 46 14 921 24524 3.76%
2012-15 60 210 373 201 37 11 832 25684 3.24%
2012-16 59 212 354 189 47 20 822 25616 3.21%
2012-17 58 172 327 189 41 17 746 24935 2.99%
2012-18 56 179 334 152 33 21 719 22668 3.17%
2012-19 56 190 308 178 44 17 737 23822 3.09%
2012-20 54 194 312 170 45 22 743 21211 3.50%
2012-21 52 168 341 206 35 19 769 23362 3.29%
2012-22 49 144 263 148 38 18 611 20657 2.96%
2012-23 48 167 194 127 37 17 542 22056 2.46%
2012-24 49 152 201 125 33 7 518 21437 2.42%
2012-25 47 150 196 143 30 18 537 20463 2.62%
2012-26 48 138 210 169 43 12 572 20605 2.78%
2012-27 47 106 188 155 44 18 511 18454 2.77%
2012-28 42 108 181 136 29 11 465 19678 2.36%
2012-29 43 114 171 141 32 11 469 19771 2.37%
2012-30 44 105 160 124 32 13 434 19056 2.28%
2012-31 44 126 183 127 39 15 490 21536 2.28%
2012-32 44 133 194 125 33 13 498 22345 2.23%
2012-33 44 142 185 138 28 23 516 23461 2.20%
2012-34 43 134 216 153 42 12 557 25163 2.21%
2012-35 44 131 197 161 39 13 541 25376 2.13%
2012-36 44 126 228 161 47 14 576 22378 2.57%
2012-37 42 200 335 145 38 17 735 23726 3.10%
2012-38 42 200 310 166 39 23 738 24363 3.03%
2012-39 34 184 280 181 54 1 700 19970 3.51%

IlI Data Chart

National Influenza Activity Map

The current U.S. flu weekly report (FluView) may be found at http://www.cdc.gov/flu/weekly/fluactivity.htm.

  

International Influenza Activity Map

The CDC compiles information from several sources and releases an international influenza summary. This report can be found at http://www.cdc.gov/flu/international/activity.htm

Texas Influenza Activity Map

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.


2011 - 2012 Texas Influenza Surveillance Information --- Flu Reports

For the week ending: 10/08/11; 10/15/11; 10/22/11; 10/29/11; 11/05/11; 11/12/11;
11/17/11; 11/24/11; 12/03/11; 12/11/11; 12/18/11; 12/25/11; 12/31/11; 1/7/12;
1/14/12; 1/21/12; 1/28/12;  2/4/12; 2/11/12; 2/18/122/25/12; 3/3/12; 3/10/12;
3/17/12; 3/24/12; 3/31/12; 4/7/12; 4/14/12; 4/21/12; 4/28/12; 5/5/12; 5/12/12;
5/19/12; 5/26/12; 6/2/12; 6/9/12; 6/16/12; 6/23/12; 6/30/12; 7/7/12; 7/14/12;
7/21/12; 7/28/12; 8/4/12; 8/11/12; 8/18/12; 8/25/12; 9/1/12; 9/8/12; 9/15/12;
9/22/12; 9/29/12;

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Last updated October 05, 2012