Colorado Immunization Information System

Main Application



If the Login page is not displaying correctly, press CTRL+F5 to refresh the page. If you continue to experience difficulties, check the following:

  1. You must use a supported browser. WebIZ is supported in:
    • Microsoft Edge
    • Google Chrome
    • Mozilla Firefox


  2. Turn off your browser's Pop-up Blocker.
    • The Pop-up Blocker must be turned off to ensure that WebIZ sends all necessary messages. If you click a button and no window is rendered, check that the Pop-up Blocker is turned off.
    • If the Pop-up Blocker is turned on, a warning message will appear telling you to turn off the Pop-up blocker. Click on the warning message to disable the Pop-up Blocker.


  3. JavaScript must be enabled in your browser. Use your browser’s help function or a Google search to learn how to enable JavaScript in your browser.

CIIS User Support: (303) 692-2437, Option 2, (888) 611-9918, Option 1 Fax: (303) 758-3640
CIIS General Mailbox: CDPHE.CIIS@state.co.us
CIIS General User Login Request Form
Vaccine Orders Module (VOM) Help Desk: (303) 692-2429, (888) 611-9918, Option 2
VOM Email Mailbox: CDPHE_VOM@state.co.us

**For Covid-19 Vaccine Providers please see message below**
If you do not have a CIIS account, please fill out the CIIS General User Login Request Form. 
If you already have a CIIS account and need inventory access for COVID-19 vaccine management ONLY (not VFC), please contact CDPHE_COVIDVAX@STATE.CO.US 
For all questions or inquiries related to the administration and distribution of the COVID-19  please email cdphe_covidvax@state.co.us. 


WARNING
This is a State of Colorado government software application for authorized users only.

Notice to all users
The Colorado Immunization Information System (CIIS) is the property of the Colorado Department of Public Health and Environment (CDPHE). This software is provided only for authorized users of CIIS. Unauthorized or improper use of this system may result in disciplinary action and/or civil charges/criminal penalties and/or prosecution by law. Evidence of unauthorized use collected during monitoring may be used for administrative, criminal, or other adverse action. By continuing to use this system you indicate your awareness of and consent to these terms and conditions of use.

App Version 21.10.1.0   Recommender Version 1.7.3.0
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