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Group A Streptococcus Data

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Group A Streptococcus Incidence Rate Maps for Texas by Year
(Click image to enlarge map thumbnail)

StrepA19  StrepAR18  StrepA2016map  GAS 2015 map  StrepA2014

             2019                      2018                         2016                      2015                       2014   

StrepA2013  StrepA2012  StrepA2011map  StrepA2010  StrepA2009
             2013                         2012                         2011                      2010                       2009 

Reported Group A Streptococcus Invasive Disease Cases and Incidence Ratesa in Texas, 2009-2019 
Year Case Count  IR
2019 971 3
2018 1023  3.5 
2017
851  3.0 
2016
706  2.5 
2015 729 2.6 
2014
601 2.2 
2013
419
1.6 
2012
333
1.3 
2011
427  1.6 
2010
355  1.4 
2009
326
1.3 
aIncidence rates (IR) are calculated per 100,000 population. Population data are projected population from Texas Demographic center’s Texas Populations Projections Program; 2019 population projections were updated July 18, 2019, and 2018 population projections were from the prior version. Projected populations were used for 20011-2019. Estimated populations were used in 2009-2010.

Reported Group A Streptococcus, Invasive Cases and Incidence Ratesa by Age Groups in Texas, Years 2012-2019                      
Age 2012 2013 2014 2015 2016 2017
2018 2019 
(Years)
Case Count
IR Case Count
IR Case Count
IR Case Count IR Case Count IR Case Count
IR Case Count IR Case CountIR 
<1  1.7 1.4  13  3.2  10  2.4  13  3.1  0.9  15  3.511 
1-4  22  1.4  27  1.7  31  33  2.1  21  1.3  20  1.2  37 2.221 1.3
5-9  11  0.6  10  0.5  30  1.5  24  1.2  18  0.9  27  1.3  29 1.433 1.6 
10-14  0.3  0.2  0.4  13  0.6  13  0.6  11  0.5  11 0.513 
15-19  0.2  0.2  15  0.8  0.4  0.3  0.4  12 0.515 
20-29  27  0.7  31  0.8  31  0.8  41  52  1.3  53  1.3  56 1.366 1.5 
30-39 36  0.9  42  56  1.5  58  1.5  56  1.4  91  2.3  93 2.375 1.8
40-49
38  42  1.1  64  1.8  71  71  1.9  101  2.7  124 3.398 2.6 
50-59  58  1.8  84  2.5  106  3.1  135  3.9  134 3.8  162
4.6  181 5.1173 5.0 
60+ 125  3.2
169  4.1  246  5.5
335  7.2  321  6.6  373  7.4  464 8.8 4668.8 
Unknown - 0 -
0 0 0
-
0
1
Total
333 1.3  419  1.6 601 2.2  729 2.6  706  2.5  851  3.0   1023 3.5 9713.3
aIncidence rates (IR) are calculated per 100,000 population. Population data are projected population from Texas Demographic center’s Texas Populations Projections Program; 2019 population projections were updated July 18, 2019, and 2018 population projections were from the prior version. Projected populations were used for 2012-2019.           
Note: Per Emerging and Acute Infectious Disease Unit Data Suppression policy, beginning with data published after September 2021, conditions with statewide case counts of 1-4 are not provided (-). Rates are not provided (-) when the Relative Standard Error exceeds 25% (n<16).                            

Group A Streptococcus Invasive Disease Cases and Incidence Rates by Most Populous Counties for Texas, 2018‐2019 (PDF)

Group A Streptococcus Invasive Disease Cases and Incidence Rates by County for Texas, 2012‐2018 (PDF)

Group A Streptococcus Invasive Disease Cases and Incidence Rates by County for Texas, 2010‐2019 (PDF)

Steptococcus Group A Cases and Incidence Ratesa for the Most Populous Texas Counties, 2018-2019
County 2018 2019
Cases  IR Cases IR
BEXAR 97 4.9 73 3.6
BRAZORIA 8 - 5 -
CAMERON 7 - 9 -
COLLIN 31 2.9 20 2.0
DALLAS 98 3.8 99 3.7
DENTON 22 2.5 24 2.8
EL PASO 37 4.0 33 3.8
FORT BEND 10 - 6 -
HARRIS 108 2.3 110 2.3
HIDALGO 33 3.5 33 3.8
MONTGOMERY 10 1.6 17 2.9
NUECES 23 6.2 24 6.3
TARRANT 88 4.3 100 4.7
TRAVIS 78 6.4 56 4.4
WILLIAMSON 14 - 20 3.5
STATEWIDE TOTALS 1,023 3.5 971 3.3
aIncidence rates (IR) are calculated per 100,000 population. Population data are projected population from Texas Demographic Center’s Texas Populations Projections Program; 2019 population projections were updated July 18, 2019, and 2018 population projections were from the prior version.   
Note: Per Emerging and Acute Infectious Disease Unit Data Suppression policy, beginning with data published after September 2021, rates are not provided (-) when the Relative Standard Error exceeds 25% (n <16).
Data Source: Texas NEDSS Finalized Data File, 2018 & 2019, Texas Notifiable Conditions.
For more data regarding this condition, please see our Infectious Disease Annual Reports or submit a Data Request.
Last updated March 30, 2022