National biodefense is a critical element of national security. Environmental biodetection and human biosurveillance are part of the foundation of national biodefense. This report examines the Department of Homeland Security's chemical and biological defense research and development portfolio to identify priorities for future investments to effectively address biological threats. | Environmental Biodetection And Human Biosurveillance Research And Development For National Security by Melinda Moore, Paperback | Indigo Chapters