FILE - In this Aug. 10, 2011, file photo, biohazard suits hang in a Biosafety Level 4 laboratory at the U.S. Army Medical Research Institute of Infectious Diseases at Fort Detrick, Md. Army Secretary John McHugh on Spet. 3, 2015, has suspended operations at four Defense Department laboratories, including at USAMRIID, that handle biological toxins, as the military scrambles to explain and correct problems that led to the accidental shipment of live anthrax to dozens of other labs around the country and the world. (AP Photo/Patrick Semansky)
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