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Welcome to the Tennessee Web Immunization System (TWIS). TWIS allows authorized users to obtain comprehensive immunization information on patients, update or initiate new patient records, links to other web sites as indicated to get more specific information on vaccines, vaccination strategies or current information from the Tennessee Immunization Program.  TWIS Benefits (Click to view brochure)

Register to use TWIS

Registration for TWIS is open to all immunization provider sites, authorized school nurses, and other authorized user sites in the State of Tennessee. To obtain access to TWIS please complete the Online Registration Request.

If you are a current TWIS user and wish to add new users, please login to TWIS and select the Add User option under the Admin section on the left side of the screen.

Pre-Book Vaccines for Children (VFC) Flu Vaccine
VFC providers pre-book your VFC flu vaccine orders online. Click Flu Pre-Book

Vaccines for Children (VFC) Provider Enrollment
To enroll in the VFC program send an email request to

Electronic Data Exchange/Meaningful Use
At this time the Immunization Registry is participating in Stages 1 and 2 Meaningful Use Public Health objectives. To register for Meaningful Use click here.

Current Happenings (Click to see all articles)

TWIS-TV - It Doesn't Have To Hurt - Reducing Procedural Pain (posted 4/10/2014)
Techniques to reduce vaccination pain. ... (click to read the full article)

Immunization Action Coalition (IAC) - Needle Tips Volume 24 – Number 1 (posted 3/24/2014)
NEEDLE TIPS (March 2014) from the Immunization Action Coalition — ... (click to read the full article)

School Immunization Requirements TN Immunization Statistical Information

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

    TWIS Help Desk:
       VIM Help Desk:
       VFC Help Desk:
                                 Note: Please include VFC PIN#
                                    for all VFC related issues.

VFC Fraud & Abuse Prevention:

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