2005 - 2006 Texas Influenza Surveillance Information
The flu activity level for the week ending December 17, 2005 is regional. Activity has remained relatively low across the state; however, flu activity continues to increase.
Limited influenza activity was reported in all 11 Health Service Regions (HSRs) for week 50. HSRs (1, 3, 7, 8, 9, 10, and 11) report an increased level of activity over the previous week. For a map of Health Service Regions, please visit the following website:
http://www.dshs.state.tx.us/regions/state.shtm
During week 50, culture confirmed flu was identified in Bell, Bexar, Brazos, Dallas, Harris, McLennan, Travis, and Val Verde counties. The DSHS lab confirmed (by culture) 16 influenza A/H3N2. Four additional specimens were identified as influenza A but have not been subtyped. The majority of specimens received by the DSHS lab were in individuals age 5-24. As of yet, no influenza B has been isolated. Scott and White Laboratory in Temple confirmed 26 influenza A from Bell, Brazos, and McLennan counties. The majority of these were in children.
Data from the Sentinel Provider Surveillance Network (SPSN) indicates a 2.1% increase in influenza-like illness (ILI) from the previous week.
PERCENTAGE OF VISITS FOR INFLUENZA-LIKE-ILLNESS REPORTED BY SENTINEL PROVIDERS IN TEXAS
as of 12/22/2005 11:57:07 AM
|
Week
|
# Reporting
|
Age 0-4
|
Age 5-24
|
Age 25-64
|
Age over 64
|
Total ILI
|
Total Patients
|
% ILI
|
2005-43
|
27
|
67
|
101
|
60
|
2
|
230
|
13785
|
1.66
|
2005-44
|
27
|
72
|
125
|
37
|
5
|
239
|
11601
|
2.06
|
2005-45
|
33
|
68
|
124
|
93
|
13
|
298
|
11436
|
2.60
|
2005-46
|
37
|
102
|
142
|
117
|
18
|
379
|
13824
|
2.74
|
2005-47
|
35
|
95
|
119
|
93
|
6
|
313
|
10897
|
2.87
|
2005-48
|
43
|
144
|
163
|
128
|
9
|
444
|
15657
|
2.83
|
2005-49
|
37
|
96
|
167
|
113
|
3
|
379
|
10785
|
3.51
|
2005-50
|
37
|
120
|
218
|
175
|
13
|
526
|
9371
|
5.61
|
No school closures or institutional outbreaks 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/
Statewide Influenza Activity For the Week Ending December 17, 2005
(MMWR Week 50)
 *Influenza activity level corresponds to current MMWR week only and does not reflect previous weeks’ activity.
|