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| Ecological | Incidence–Based | Composite | Expected Exposure |
| Jim Wells | Cameron | Cameron | Bexar |
| Bee | Nueces | Nueces | Harris |
| Goliad | Kleberg | Kleberg | Hidalgo |
| De Witt | Hidalgo | Hidalgo | Dallas |
| Nueces | Jim Wells | Jim Wells | Travis |
| Wilson | Willacy | Wiilacy | Cameron |
| San Patricio | Dimmit | Medina | Nueces |
| Live Oak | Medina | Dimmit | Tarrant |
| Karnes | Bandera | Frio | Williamson |
| Guadalupe | Frio | Bandera | Collin |
