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Ricin

FBI

Letter Sent To U.S. Senator Tests Positive For Poison At Maryland Facility

An envelope addressed to Sen. Roger Wicker of Mississippi twice tested positive Tuesday for ricin, a potentially fatal poison, congressional officials said, heightening concerns about terrorism a day after a bombing killed three and left more than 170 injured at the Boston Marathon.

04/16/2013

Chuck Rivanis

Army Starts Clinical Trials On Ricin Vaccine

The Army says it’s starting clinical trials at Fort Detrick on a potential ricin vaccine.

04/13/2011

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