2022-2023 Texas Influenza Surveillance Activity

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

2022-2023 Season/2023 MMWR Week 21

Please note: The 2022-2023 influenza season began on October 2, 2022. 
Reports from the 2021-22 season.


*This report excludes COVID-19 data. For information about COVID-19 in Texas, please visit 
Compared to the previous week, the percentage of specimens testing positive for influenza reported by hospital laboratories has increased. The percentage of patient visits due to influenza-like illness (ILI) has decreased. One influenza-associated pediatric death was reported. No influenza-associated outbreaks were reported in a long-term care or school facility.

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

Texas Influenza and Influenza-like Illness Surveillance Component Previous Week Change Current Week  Previous Week Report Page
Statewide ILINet Activity Indicator assigned by CDC (intensity of influenza-like illness) Decrease Minimal Low -
Percentage of specimens positive for influenza by hospital laboratories ▲ 0.45% 2.68% 2.23% 1
Percentage of visits due to ILI (ILINet) ▼ 0.07% 2.58% 2.65% 4
Number of regions reporting increased flu/ILI activity ▼ 5 0 5 6
Number of regions reporting decreased flu/ILI activity ▲ 4 7 3 6
Number of variant/novel influenza infections No change 0 0 6
Number of ILI/influenza outbreaks No change 0 0 6
Number of pediatric influenza deaths Increase 1 0 7
†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 May 27, 2023 (MMWR Week 21)

Statewide Influenza Activity Map:

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.

2022-2023 Texas Influenza Surveillance Activity Reports:


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

Reports from the 2021-2022 season.

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