*These data are provisional and may be revised or adjusted in the future.
Cumulative Human Disease Cases by County - Texas, 2003
| Andrews County | 6 |
| Angelina County | 13 |
| Armstrong County | 1 |
| Bailey County | 7 |
| Bexar County | 8 |
| Brazoria County | 1 |
| Brazos County | 5 |
| Briscoe County | 1 |
| Brown County | 1 |
| Burnet County | 2 |
| Caldwell County | 1 |
| Callahan County | 5 |
| Cameron County | 18 |
| Carson County | 2 |
| Castro County | 19 |
| Chambers County | 1 |
| Cherokee County | 1 |
| Childress County | 1 |
| Clay County | 1 |
| Cochran County | 2 |
| Coke County | 1 |
| Collin County | 5 |
| Collingsworth County | 1 |
| Comanche County | 1 |
| Cooke County | 5 |
| Crosby County | 5 |
| Dallas County | 63 |
| Deaf Smith County | 12 |
| Denton County | 10 |
| Donley County | 2 |
| Ector County | 9 |
| El Paso County | 34 |
| Ellis County | 5 |
| Erath County | 2 |
| Falls County | 1 |
| Floyd County | 7 |
| Gaines County | 1 |
| Galveston County | 1 |
| Gray County | 3 |
| Grayson County | 1 |
| Gregg County | 12 |
| Hale County | 35 |
| Hall County | 2 |
| Hansford County | 4 |
| Hardin County | 1 |
| Harris County | 46 |
| Harrison County | 3 |
| Hemphill County | 1 |
| Henderson County | 1 |
| Hidalgo County | 18 |
| Hockley County | 4 |
| Hopkins County | 2 |
| Hunt County | 2 |
| Hutchinson County | 2 |
| Jefferson County | 7 |
| Johnson County | 3 |
| Jones County | 1 |
| Kaufman County | 1 |
| Lamb County | 14 |
| Lee County | 1 |
| Lubbock County | 51 |
| Lynn County | 1 |
| Maverick County | 1 |
| Midland County | 13 |
| Montgomery County | 18 |
| Moore County | 2 |
| Nacogdoches County | 1 |
| Navarro County | 1 |
| Newton County | 1 |
| Nueces County | 10 |
| Ochiltree County | 2 |
| Oldham County | 1 |
| Orange County | 2 |
| Panola County | 3 |
| Parmer County | 14 |
| Polk County | 1 |
| Potter County | 14 |
| Randall County | 44 |
| Rusk County | 4 |
| San Patricio County | 3 |
| Scurry County | 2 |
| Shackelford County | 1 |
| Smith County | 10 |
| Starr County | 2 |
| Swisher County | 13 |
| Tarrant County | 31 |
| Taylor County | 3 |
| Terry County | 2 |
| Titus County | 2 |
| Tom Green County | 1 |
| Travis County | 22 |
| Upshur County | 1 |
| Walker County | 1 |
| Waller County | 1 |
| Washington County | 1 |
| Webb County | 2 |
| Wharton County | 1 |
| Wichita County | 4 |
| Willacy County | 2 |
| Williamson County | 2 |
| Wood County | 1 |
| Young County | 1 |
| Zapata County | 2 |