Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.
The HAN Messaging System currently directly and indirectly transmits Health Alerts, Advisories, Updates, and Info Service Messages to over one million recipients.
An official website of the United States government
