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ILINet
2005-2006 Texas Influenza Surveillance Information
2005-2006 Season Summary
The flu activity level for the week ending February 11th, 2006 is widespread. Flu activity has been reported in all regions of the state; however, activity appears to be decreasing across the state.
Reports were received for all 11 Health Service Regions (HSRs) for week 6. No increase in flu activity was reported in any of the 11 HSRs. Activity remained about the same in HSRs 2/3, 7, 8 and 11. A decrease in flu activity was reported in HSRs 1, 4/5N, and 6/5S. For a map of Health Service Regions, please visit the following website:
Texas Health Service Regions Map
During week 6, culture confirmed influenza A was identified in Bell, Brazos, Burleson, Coryell, Dallas, Erath, Falls, Harris, Hill, Leon, Lubbock, McLennan, and Milam Counties. The majority of flu cultured by the DSHS lab continues to be A/H3N2. The Centers for Disease Control and Prevention (CDC) have further characterized the influenza isolates submitted by DSHS as A/California/07/2004-like (H3N2) and A/New York/55/2004-like (H3N2). A/California/07/2004-like (H3N2) is one of the A components of the current vaccine. A/New York/55/2004-like (H3N2) is antigenically equivalent to A/California/07/2004-like (H3N2).
Culture confirmed influenza B was identified in Brazos, Dallas, McLennan, and Travis Counties. Dallas County continues to see the most culture confirmed influenza B.
No institutional outbreaks or school closures have been 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/Surveillance.aspx
Data from the Sentinel Provider Surveillance Network (SPSN) indicates a decrease in influenza-like illness (ILI) for the third consecutive week.
| PERCENTAGE OF VISITS FOR INFLUENZA-LIKE-ILLNESS REPORTED BY SENTINEL PROVIDERS IN TEXAS
|
| Week |
# Reporting
|
Age 0-4
|
Age 5-24
|
Age 25-64
|
Age over 64
|
Total ILI
|
Total Patients
|
% ILI
|
| 2005-48 |
43 |
144 |
163 |
128 |
9 |
444 |
15657 |
2.83 |
| 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 |
63 |
290 |
451 |
288 |
40 |
1069 |
16822 |
6.35 |
| 2006-05 |
55 |
238 |
382 |
253 |
43 |
916 |
15521 |
5.90 |
| 2006-06 |
52 |
203 |
327 |
213 |
23 |
766 |
14022 |
5.46 |
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Statewide Influenza Activity For the Week Ending February 11, 2006 (MMWR Week 6)
*Influenza activity level corresponds to current MMWR week only and does not reflect previous weeks’ activity.
2005-2006 Texas Influenza Surveillance Information - Flu Reports
For the week ending:
10/15/05,
10/22/05,
10/29/05,
11/05/05,
11/12/05,
11/19/05,
11/26/05,
12/10/05,
12/17/05,
12/24/05,
01/07/06,
01/14/06,
01/21/06,
01/28/06,
02/04/06,
02/18/06,
02/25/06,
03/04/06,
03/11/06,
03/18/06,
03/26/06,
04/01/06,
04/08/06,
04/15/06,
04/22/06,
04/29/06,
05/12/06,
05/19/06,
05/20/06
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