Legionellosis (Legionnaires’ Disease) Data
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Legionellosis Incidence Rate Map, Texas County by Year (jpg image)
2019 2018 2016 2015 2014 2013
Legionellosis Cases and Incidence Rates for Texas, 2010-2019 | ||
Year | Case Count | Incidence Rate |
2019* | 421 | 1.4 |
2018* | 415 | 1.4 |
2017* | 327 | 1.1 |
2016* | 270 | 1.0 |
2015* | 292 | 1.1 |
2014* | 256 | 0.9 |
2013* | 168 | 0.6 |
2012* | 158 | 0.6 |
2011* | 111 | 0.4 |
2010 | 136 | 0.5 |
*Population data are projected population from Texas Demographic Center’s Texas Populations Projections Program; 2019 population projections were updated July 18, 2019, and 2018 & earlier population projections were from the prior version. |
Legionellosis Cases and Incidence Ratesa by Age Group, 2012-2019 | ||||||||||||||||
2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | |||||||||
Age Group | Count | IR | Count | IR | Count | IR | Count | IR | Count | IR | Count | IR | Count | IR | Count | IR |
<1 | 0 | 0.0 | 0 | 0.0 | 1 | 0.2 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | - | - |
01-04 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 |
05-09 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 |
10-14 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | - | - |
15-19 | 1 | 0.1 | 0 | 0.0 | 0 | 0.0 | 3 | 0.1 | 1 | 0.0 | 0 | 0.0 | 0 | 0.0 | - | - |
20-29 | 3 | 0.1 | 4 | 0.1 | 4 | 0.1 | 9 | 0.2 | 5 | 0.1 | 9 | 0.2 | 16 | 0.4 | 12 | - |
30-39 | 7 | 0.2 | 13 | 0.3 | 16 | 0.4 | 13 | 0.3 | 20 | 0.5 | 15 | 0.4 | 31 | 0.8 | 30 | 0.7 |
40-49 | 18 | 0.5 | 19 | 0.5 | 27 | 0.8 | 49 | 1.4 | 27 | 0.7 | 53 | 1.5 | 43 | 1.1 | 38 | 1.0 |
50-59 | 44 | 1.3 | 43 | 1.3 | 48 | 1.4 | 70 | 2.0 | 67 | 1.9 | 63 | 1.8 | 96 | 2.7 | 98 | 2.8 |
60+ | 85 | 2.2 | 89 | 2.2 | 160 | 3.6 | 148 | 3.2 | 150 | 3.1 | 187 | 3.7 | 229 | 4.4 | 238 | 4.5 |
Total | 158 | 0.6 | 168 | 0.6 | 256 | 0.9 | 292 | 1.1 | 270 | 1.0 | 327 | 1.1 | 415 | 1.4 | 421 | 1.4 |
aIR=age group-specific incidence rate per 100,000. | ||||||||||||||||
Note: Per Emerging and Acute Infectious Disease Unit Data Suppression policy, beginning with data published after September 2021, subgroup case counts of 1-4 are not provided (-). Rates are not provided (-) when the Relative Standard Error exceeds 25% (n <16). Population data are projected population from Texas Demographic Center’s Texas Populations Projections Program; 2019 population projections were updated July 18, 2019, and 2018 & earlier population projections were from the prior version. |
Legionellosis Cases and Incidence Ratesa for the Most Populous Texas Counties, 2019 | ||
County | 2019 | |
Cases | IR | |
BEXAR | 41 | 2.0 |
BRAZORIA | 1 | - |
CAMERON | 4 | - |
COLLIN | 14 | - |
DALLAS | 58 | 2.2 |
DENTON | 16 | 1.8 |
EL PASO | 13 | - |
FORT BEND | 2 | - |
HARRIS | 50 | 1.0 |
HIDALGO | 14 | - |
MONTGOMERY | 12 | - |
NUECES | 2 | - |
TARRANT | 38 | 1.8 |
TRAVIS | 19 | 1.5 |
WILLIAMSON | 10 | - |
STATEWIDE TOTALS | 421 | 1.4 |
aIncidence rates (IR) are calculated per 100,000 population. Population data are projected population from Texas Demographic Center’s Texas Populations Projections Program, updated July 18, 2019. | ||
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, 2019, Texas Notifiable Conditions. |
For more data regarding this condition, please see our Infectious Disease Annual Reports or submit a Data Request.