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The new TN Immunization Information System (TennIIS) replaced the Tennessee Web Immunization System (TWIS) on November 10th, 2014.

You can log into TennIIS by following this URL www.TennesseeIIS.gov and using your current TWIS username and default password given to you during training. You will be prompted to change your password the first time you log in.

If you have any questions please contact the TennIIS Help desk at TennIIS.Help@tn.gov or 1-844-206-9927.

Electronic Data Exchange/Meaningful Use
The Immunization Registry is participating in Stages 1 and 2 Meaningful Use Public Health objectives. You can continue to register for Meaningful by clicking here.

Introducing The TN Immunization Information System: TennIIS
The Tennessee Department of Health (TDH) Immunization Program and the State of Tennessee Information Technology Services Division (ITSD) are pleased to announce the implementation of a new Immunization Information System (IIS).

TennIIS will advance the Tennessee Immunization Program (TIP) mission of promoting the health of all Tennesseans by reducing and/or eliminating the number of vaccine preventable diseases that affect people living in or visiting our state. TennIIS will offer new exciting features such as:
  • a sophisticated forecasting algorithm and reminder recall,
  • decrementing vaccine doses,
  • while still:
  • being a reliable ordering system for the Vaccines for Children (VFC) providers,
  • offering Validated Immunization Certificates, and
  • supporting HL7 data exchange.

School Immunization Requirements TN Immunization Statistical Information

Tennessee Immunization Program
710 James Robertson Parkway
Andrew Johnson Tower, 3rd Floor
Nashville TN 37243

    TennIIS Help Desk: TennIIS.Help@tn.gov
TennIIS Registration: TennIIS.Registration@tn.gov
       VOMS Help Desk: TennIIS.VOMS@tn.gov
          VFC Help Desk: TennIIS.VFC@tn.gov
                             Note: Please include VFC PIN# for
                                      all VFC related issues.

Meaningful Use: TennIIS.MU@tn.gov
VFC Fraud & Abuse Prevention: VFC-Fraud.Health@tn.gov

Phone: (800) 404-3006
    Fax: (615) 532-8526