Date:  August 12, 2020  

Welcome to the Ohio Impact Statewide Immunization Information System (ImpactSIIS)
Web application.

This web application allows enrolled users to conveniently search for patients in the ImpactSIIS Central Registry and to view the patients' vaccination record. In addition, authorized users can add and edit patient records and vaccination records, as well as maintain facility, physician, and lot number data.

Your Username should be the same as in the old system. Your password should be available from odhgateway- see the steps in this document.
For instructions on how to use the Ohio Impact SIIS:
  1. GUIDES - Click HERE for step-by-step "Quick Reference Guides" or visit the "Document Center" under the Main Menu Heading after login to Impact SIIS.
  2. ANSWER DESK - Contact the STC Answer Desk with additional how-to questions by phone at 1-844-208-3880 between the hours of 8am - 5pm EST, Monday through Friday
  3. ODH - For policy and procedural questions concerning IIS use, please contact the Ohio ImpactSIIS Help Desk by phone at 1-866-349-0002 between the hours of 7:30 a.m. and 5 p.m. ET, Monday through Friday.
impact siis logo
Valuable Links
bullet Visit the American Immunization Registry Association homepage.
bullet Get the latest VIS statements from the Immunization Action Coalition homepage
bullet For the latest Immunization Schedule and more visit the CDC website.
bullet ImpactSIIS Security Agreement.
bullet Request to be Removed Form
bullet Request to be Reinstated in ImpactSIIS
bullet Order ImpactSIIS Brochures
bullet ImpactSIIS Brochure (PDF version)
bullet Report a Reaction (VAERS)
bullet Vaccine Storage Job Aid - Refrigerator
bullet Vaccine Storage Job Aid - Freezer
bullet Vaccine Transfer Form
bullet CDC Immunization Schedules
bullet Ohio Child Medical Statement for Child Care