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Influenza activity is increasing across the state of Texas. Compared to the previous week, the percentage of patient visits due to influenza-like illness (ILI) and the percentage of specimens testing positive for influenza reported by hospital laboratories has marginally decreased. The percentage of specimens testing positive for influenza reported by public health laboratories has slightly increased.

No influenza-associated pediatric deaths were reported.

Seven ILI or influenza-associated outbreaks were reported.  In addition to flu, other respiratory viruses—especially respiratory syncytial virus (RSV)—were detected in Texas during week 52.  

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

Texas Surveillance Component Change from Previous Week Current Week Previous Week Page of Report
Statewide influenza activity level reported to CDC (geographic spread of influenza) No change Widespread Widespread --
Statewide ILINet Activity Indicator assigned by CDC (intensity of influenza-like illness) No change High High --
Percentage of specimens positive for influenza by hospital laboratories ▼2.35% 34.22% 36.57% 1
Percentage of specimens positive for influenza by public health laboratories ▲9.11% 82.26% 73.15% 2
Percentage of visits due to ILI (ILINet) ▼1.96% 12.41% 14.37% 4
Number of regions reporting increased flu/ILI activity ▲1 8 7 6
Number of regions reporting decreased flu/ILI activity No change 0 0 6
Number of variant/novel influenza infections No cases reported 0 0 6
Number of ILI/influenza outbreaks ▼7 7 14 6
Number of pediatric influenza deaths No new cases reported 0 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 week ending December 30, 2017 (MMWR Week 52)

Statewide Influenza Activity Map Figure 5:

 

 

 

 

 

 

 

 

 

 

 

 

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 in PDF format.

2017 - 2018 Texas Influenza Surveillance Activity Reports -

Flu Report for the week ending:

12/30/201712/23/2017; 12/16/201712/09/201712/02/2017

11/25/201711/18/201711/11/201711/04/201710/28/201710/21/201710/14/201710/07/2017


 

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

Current Extended Flu Activity Report (PDF)
     
Please note: The 2017-2018 influenza season began on October 1, 2017. 
For reports from the 2016-2017 season, please see http://www.dshs.state.tx.us/idcu/disease/influenza/surveillance/2017/ 

2017–2018 Season/2017 MMWR Week 52

(December 24, 2017 – December 30, 2017)

Report produced on 01/05/2018