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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

week 44

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Surveillance

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Influenza Influenza
(Flu)
ICD-9 487; ICD-10 J10,11
Related Topics: Protecting Yourself During the Cold and Flu Season, Avian Flu, Vaccine Preventable Diseases, Asthma and SARS

2008 - 2009 Texas Influenza Surveillance Information

Influenza Surveillance Report for MMWR Week 44

The influenza (flu) activity level for Texas for the week ending November 1, 2008 was “sporadic.” Sporadic activity indicates that isolated reports of lab-confirmed influenza along with influenza-like illness have been reported. During week 44, seven (1.4%) specimens tested by NREVSS laboratories in Texas were positive for influenza. Flu is occurring in the state at a very low level.

 

Reports from Health Service Regions

Reports were received from all Health Service Regions (HSRs) for week 44. HSR 1 reported an increase in flu activity compared to week 43; HSR 7 reported a decrease in flu activity. All other HSRs reported the same level of flu activity compared to week 43. For a map of Health Service Regions, please visit the following website:

 

http://www.dshs.state.tx.us/regions/state.shtm

 

Laboratory Results

During week 44, ten hospital laboratories and public health agencies across Texas reported conducting a total of 500 influenza tests (antigen, culture, and PCR) to the National Respiratory and Enteric Virus Surveillance System (NREVSSnew window)sponsored by the Centers for Disease Control and Prevention (CDC). Four hundred and sixteen antigen detection tests for influenza were performed; five tests in Bexar and Nueces counties were positive for influenza A/not subtyped. No positive PCR results were reported. Two specimens collected from a 1-month-old child and a 14-year-old child, both residents of Bexar County, were positive by viral culture for influenza A/H1. Positive point-of-care rapid tests for influenza were reported by providers throughout the state (see county map below).

 

 

Influenza–Associated Pediatric Mortality

No influenza–associated pediatric fatalities were reported during week 44.

 

 

School Closures and Institutional Outbreaks

No school closures or institutional outbreaks were reported during week 44.

 

 

Sentinel Provider Surveillance Network

Sixty–two sentinel providers in Texas reported data to the U.S. Influenza Sentinel Provider Surveillance System (SPSN) on patients with influenza–like illness (ILI) and total patients seen for any reason during week 44. Twenty-eight (45%) of these providers saw at least one patient with ILI. Of all patient visits during this week, 2.12% were due to ILI.

 


Percentage of Influenza–Like Illness (ILI) Reported by Sentinel Providers in Texas (11/7/2008 3:51:18 PM)
Week # Reporting Age 0-4 Age 5-24 Age 25-64 Age over 64 Total ILI Total Patients % ILI
2008-40 75 84 133 127 22 366 19907 1.84
2008-41 75 114 163 124 19 420 19716 2.13
2008-42 74 99 151 90 7 347 18993 1.83
2008-43 73 103 139 96 18 356 18899 1.88
2008-44 62 104 166 95 24 389 18383 2.12


 

National Influenza Activity Map

The map showing influenza activity in the United States for MMWR week 44 is displayed below. The current U.S. flu weekly report may be found at: here.

 

 

Influenza in USA Map

*This map indicates geographic spread and does not measure the severity of influenza activity.

 

For more information on flu surveillance activities in the State of Texas, please visit our main surveillance page.




Texas Department of State Health Services - Infectious Disease Control Unit
1100 West 49th Street, Suite T801, Mail Code: 1960 PO BOX 149347 - Austin, TX 78714-9347
(512) 458-7676 - Fax: (512) 458-7616 - E-Mail

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Last updated May 19, 2010