Texas County Retrospective Immunization School Survey (TCRISS) - Region 2/3 2008 TCRISS Survey ResultsBrown County (PDF)Collin County (PDF)Comanche County (PDF)Denton County (PDF)Grayson County (PDF)Navarro County (PDF)Runnels County (PDF)Shackelford County (PDF)Taylor County (PDF)Wichita County (PDF)