United States Army Medical Research Institute of Infectious Diseases
The United States Army Medical Research Institute of Infectious Diseases (USAMRIID; ) is the United States Army's main institution and facility for defensive research into countermeasures against biological warfare. It is located on Fort Detrick, Maryland, near Washington, D.C., and is a subordinate lab of the United States Army Medical Research and Development Command (USAMRDC), headquartered on the same installation.