​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​

ImmuNet Quick Reference Guides

​​​​​​​​​​​​​​​​​​​​​​ImmuNet is Maryland’s Immunization Information System (IIS) - a secure, web-based registry operated by the Center for Immunization at the Maryland Department of Health (MDH). Access to ImmuNet is confidential and limited to authorized provider ​​​users​​.​​


Get the Help You Need - Fast

Looking for guidance on how to use ImmuNet? Choose the Quick Reference Guide that matches your ImmuNet user role to get step-by-step instructions for common tasks:

​Contact Us 

Need assistance? Visit our Contact Us page for support.​​