Health Alert Network

The Health Alert Network (HAN) is a program under the Centers for Disease Control and Prevention which is an agency of the United States Department of Health and Human Services. The HAN project is intended to "ensure that each community has rapid and timely access to emergent health information; a cadre of highly-trained professional personnel; and evidence-based practices and procedures for effective public health preparedness, response, and service on a 24/7 basis."