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ILINet
2006-2007 Texas Influenza Surveillance Information
2006-2007 Season Summary
Influenza Surveillance Report for MMWR Week 51
The flu activity level for the week ending December 23, 2006 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 51 was limited due to the holidays.
The DSHS laboratory isolated influenza A (all H1) in specimens collected during week 51 from Bexar, Dallas, Galveston, and Tarrant Counties. Influenza B (all Malaysia/2506/2004-like) was isolated in specimens from Bexar and Starr Counties. Scott and White reported isolating flu A in residents of Bell County and Brazos County and flu B in residents of McLennan County and Hill County. HSR 1 reported culture confirmed flu B from Randall County. The Air Force Institute for Operational Health (AFIOH) reported no culture confirmed flu during week 51.
Reports were received from HSRs 1, 2/3, 4/5N, 7, 8, 9/10, and 11 for week 51. All HSRs reported limited flu activity; however none of the regions reported an increase in flu activity from the previous week. For a map of Health Service Regions, please visit the following website:
Texas Health Service Regions Map
No institutional outbreaks or school closures were reported for week 51.
Sixty-four sentinel providers reported influenza-like illness (ILI) for week 51. Of all patient visits during this week, 5.02% 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 |
277 |
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 |
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Percentage of Visits Due to Influenza-Like Illness,
Texas Sentinel Providers Surveillance Network, 2006-2007 Season
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Statewide Influenza Activity For the Week Ending December 23, 2006 (MMWR Week 51)
*Influenza activity level corresponds to current MMWR week only and does not reflect previous weeks’ activity.
2006-2007 Texas Influenza Surveillance Information - Flu Reports
For the week ending:
10/07/06,
10/14/06,
10/21/06,
10/28/06,
11/04/06,
11/11/06,
11/18/06,
12/02/06,
12/09/06,
12/16/06,
12/30/06,
01/06/07,
01/13/07,
01/20/07,
01/27/07,
02/10/07,
02/17/07,
02/24/07,
03/03/07,
03/10/07,
03/17/07,
03/24/07,
03/31/07,
04/07/07,
04/14/07,
05/05/07
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