Ricin Topic Guide
Ricin: Ricin is a potent toxin that can be used as an agent of biological warfare or as a weapon of mass destruction. Ricin is a protein derived from the beans of the castor plant. Symptoms of ricin poisoning depend on whether it has been inhaled, ingested from contaminated food or drink, or by injection. A person exposed to ricin should seek medical care immediately.
Biological Warfare Biological weapons include any organism (such as bacteria, viruses, or fungi) or toxin found in nature that can be used to kill or injure people.