United States Army Medical Research Institute of Infectious Diseases

The United States Army Medical Research Institute of Infectious Diseases (USAMRIID; pronounced: you-SAM-rid) is the U.S Army’s main institution and facility for defensive research into countermeasures against biological warfare. It is located on Fort Detrick, Maryland and is a subordinate lab of the U.S. Army Medical Research and Materiel Command (USAMRMC), headquartered on the same installation.