IDCU HomeInfectious Diseases A-CD-GH-LM-QR-ST-ZHealthcare SafetyVaccine Preventable DiseasesIDCU Health TopicsDisease ReportingRelated Rules & RegulationsImmunization BranchAbout IDCURelated DSHS Sites
  • Contact Us

    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


2019-2020 Texas Influenza Surveillance Activity Report

Home   FAQs   Immunization   Investigation   Reporting   Resources

The current extended Texas Influenza Surveillance Report is available in PDF format:

Current Extended Flu Activity Report (PDF) 
(October 27, 2019 - November 2, 2019) 
Report produced on 11/08/2019

2019-2020 Season/2019 MMWR Week 44

Please note: The 2019-2020 influenza season began on September 29, 2019. 
Reports from the 2018-19 season.


Influenza activity is starting to increase across the state of Texas, but is still below the Texas baseline of 4.76%. Compared to the previous week, the percentage of specimens testing positive for influenza reported by hospital laboratories increased. Hospital and Public Health laboratories detected majority Influenza B viruses this week. The percentage of patient visits due to influenza-like illness (ILI) has increased. No influenza-associated pediatric deaths were reported. No influenza-associated outbreaks were reported.  In Texas, rhino/enterovirus continues to be the most frequently detected non-flu respiratory virus and RSV activity is increasing. 

Table 1: Summary of Texas Influenza (Flu) and Influenza-like Illness (ILI) Activity for the Current Week 

Texas Surveillance Component  Previous Week Change Current Week   Previous Week  Page of Report 
Statewide influenza activity level reported to CDC (geographic spread of influenza) No change Local Local -
Statewide ILINet Activity Indicator assigned by CDC (intensity of influenza-like illness)  No change Low Low -
Percentage of specimens positive for influenza by hospital laboratories  ▲0.37%  4.49%  4.12% 
Percentage of visits due to ILI (ILINet)  ▲0.54%  3.78%  3.24%
Number of regions reporting increased flu/ILI activity  ▼1
5 5
Number of regions reporting decreased flu/ILI activity  ▲1
1 0 5
Number of variant/novel influenza infections  No cases reported 
Number of ILI/influenza outbreaks   ▲1
1 5
Number of pediatric influenza deaths  No cases reported  6
†Data displayed have been updated since last week's flu report with any new reports received. 

Texas Map Displaying the Highest Level of Influenza or 
ILI Activity Reported by County for the Week ending 
November 2, 2019 (MMWR Week 44)

Statewide Influenza Activity Map:

Flu Week 44

flu legend

Please note: The majority of influenza cases are not reportable by law in Texas. This map contains data from sentinel sites and only displays influenza and ILI cases that were reported to public health. Positive laboratory results are reported according to specimen collection date, or date received in the laboratory if the former is unknown.

Note: The current extended Texas Influenza Surveillance Report is in PDF format.

2019-2020 Texas Influenza Surveillance Activity Reports:

11/08/19   11/01/1910/25/1910/18/19, 10/11/19

Reports from the 2018-2019 season.

Last updated November 8, 2019