Homeland Security Presidential Directive 21

Overview
Homeland Security Presidential Directive 21 (HSPD-21): "Public Health and Medical Preparedness" (Oct 18, 2007) (full-text).

Overview
HSPD-21 states that the U.S. Department of Health and Human Services (HHS) shall “establish an operational national. . . [bio]surveillance system for human health, with international connectivity where appropriate, that is predicated on state, regional, and community-level capabilities."