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At a Capitol Hill hearing, the director for the Centers for Disease Control said scientists working with dangerous pathogens might become complacent about safety

At a Capitol Hill hearing, the director for the Centers for Disease Control said scientists working with dangerous pathogens might become complacent about safety. Some members of Congress were troubled by a USDA inspection report that found lax recordkeeping and security. Dr. Jon LaPook reports.
Jul 17, 2014 (02:04)
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