Scientists find ricin in US labs

September 6, 2014 5:48 AM

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Scientists find ricin in US labs

Scientists in the US found a nearly century-old container of ricin and other forgotten samples of dangerous pathogens as they combed laboratories for hazardous materials.

The national institutes of health (NIH) began an intensive investigation of all its facilities after a scientist in July found vials of smallpox dating from the 1950s.

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