IDPS HomeInfectious Diseases A-CD-GH-LM-QR-ST-ZDisease ReportingEmerging and Acute Infectious Disease UnitHealthcare SafetyIDPS Health TopicsRelated DSHS SitesRelated Rules & RegulationsZoonosis Control BranchAbout IDPS
  • Contact Us

    Infectious Disease Prevention Section
    Mail Code: 1927
    PO BOX 149347 - Austin, TX 78714-9347
    1100 West 49th Street, Suite G401
    Austin, TX 78714

    Phone: (512) 776-7676
    Fax: (512) 776-7616


Williamson County Disease Reporting Contacts

Electronic Reporting   Investigation Forms   Laboratory Reporting   Notifiable Conditions   Reporting Forms

General Instructions

When to Report: Call Immediately  Within 1 work day:  Within 1 week: 
Contact Method: Please phone report  Phone or Fax report  Fax or Mail report 
County: Williamson
Type of Public Health Entity: Public Health District 
Name of Public Health Entity:
Williamson County and Cities
Public Health District 
Lead Epidemiology Contact Name: Zullymar Rios Velazquez
Lead Epidemiology Contact Phone Number:
(512) 943-3600
Epidemiology Coverage Area(s): Williamson County and Cities
Primary COVID
Primary COVID Phone Number:(512) 943-3660 
Epidemiology Main Phone Number: (512) 943-3660 
Epidemiology 24/7 Reporting Line: (512) 864-8345                   
Epidemiology Fax: (512) 248-3267
Epidemiology Mailing Address: 355 Texas Ave, Round Rock, Texas 78664
Epidemiology Website:
 Primary COVID Website:
Last updated August 23, 2022