IDPS HomeInfectious Diseases A-CD-GH-LM-QR-ST-ZHealthcare SafetyVaccine Preventable DiseasesIDPS Health TopicsImmunization UnitDisease ReportingAbout IDPSRelated DSHS SitesRelated Rules & Regulations
  • Contact Us

    Infectious Disease Prevention Section
    Mail Code: 1927
    PO BOX 149347 - Austin, TX 78714-9347
    1100 West 49th Street, Suite G401
    Austin, TX 78714

    Phone: (512) 776-7676
    Fax: (512) 776-7616


week 9




En Español
Influenza Influenza
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
ILINet separator image 2009 - 2010 separator image 2008 - 2009 separator image 2007 - 2008 separator image 2006 - 2007 separator image 2005 - 2006 | 2004 - 2005 |
2003 - 2004 | 2002 - 2003 | 2001 - 2002 | 2000 - 2001 | 1999 - 2000 | 1998 - 1999

2004 - 2005 Texas Influenza Surveillance Information

The weekly flu activity level for CDC week 9 ending 3/5/05 is regional.

Reports were received for all eleven regions.

Flu activity has continued to decline this week.

None of the regions reported increased flu activity this week.

Three of the eleven regions reported about the same (high) level of flu activity as last week, representing East, Southeast, and South Central Texas (HSRs 4, 5, and 8).

The seven regions representing Central Texas (HSR 7), the panhandle (HSR 1), North Texas (HSRs 2/3), West Texas (HSRs 9/10), and South West Texas (HSR 11) reported decreasing flu activity. The region representing the Houston/Galveston coastal area was unable to determine a flu status from the data available (HSR 6).

(A map of Health Service Regions)

Data from the Sentinel Provider Surveillance Network (SPSN) indicates another week of declining ILI activity, although levels are still relatively high at nearly four times the baseline level. This is the second week of ILI decreases.

School absentee levels due to ILI are likewise decreasing, with another week of no reports of school closures.

No institutional/hospital outbreaks were reported.

Culture confirmed flu has been identified in all regions of the state, with declining specimen levels at the DSHS lab this week. Counties with culture confirmed flu include Dallas, Tarrant, Harris, Bexar, Wichita, Bell, Travis, Taylor, Smith, Potter, Wichita, and Lubbock.

The majority of culture confirmed flu remains A.

According to the CDC, the majority of the influenza virus strains circulating in the United States were well matched to this season's vaccine. However, 103 (45%) of the influenza A ( H3N2 ) viruses tested during the week ending February 12 are most closely related to a newly emerged strain of H3N2 that has been named A/California/7/2004. This strain of H3N2 has been selected for inclusion in the 2005-06 northern hemisphere vaccine.

For more information on this new strain of flu, please see the following link:

Influenza Surveillance Map
Influenza-Like Illness Activity Graph

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

Topics A-Z / Site Map


Last updated May 19, 2010