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"No one can solve this problem alone, but together we can change things for the better." 

– Setsuko Thurlow
Hiroshima Survivor
June 6, 2016
Correction
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On page 33 of Arms Control Today's January/February 2009 issue, the news article "WMD Commission Issues Findings," contains a paragraph that begins with "BSL-3 and BSL-4 labs contain pathogens..." That entire paragraph should be replaced with the following: "High-containment (BSL-3) and maximum-containment (BSL-4) labs are designed for the safe handling of pathogens with the highest levels of lethality and contagiousness. All BSL-4 labs are currently required to register with the U.S. government, but only those BSL-3 labs that work with pathogens or toxins designated as select agents, or that conduct recombinant DNA research with federal funding, are required to do so. An unknown number of BSL-3 labs, ranging from tens to hundreds, do not fall into either category."