Welcome to DC HAN, the District of Columbia's Health Alert Network (HAN) site.

The District of Columbia Health Alert Network is a secure communication system that exchanges information within and between agencies and disciplines throughout the District of Columbia. DC HAN utilizes multiple formats to deliver notifications which include email, phone, fax, pager, and text messages.

DC HAN notifications are distributed by established system administrators. If you have been invited by a system administrator please click on the Register Now button below to begin the registration process. To access the system or return to an in-progress registration, please sign-in using the login area on this page.