ImmuNet Quick Reference Guides
ImmuNet is Maryland’s Immunization Information System (IIS). It is a secure web-based registry operated by the Center for Immunization at the Maryland Department of Health (MDH). ImmuNet information is confidential and available only to authorized users.
Please select the guide that applies to your ImmuNet user role:
Please visit our contact us page located here.
201 W. Preston Street, Baltimore, MD 21201-2399
(410) 767-6500 or 1-877-463-3464