Meanwhile, Canada's military research agency is cooperating with two Canadian biotech companies to develop a ricin antidote that could be injected after exposure, just as antidotes are available today for rabies and snakebites. Ricin is very stable, therefore it is not susceptible to extreme conditions such as very hot or very cold temperatures. It can be in the form of a powder, a mist, or a pellet, or it can be dissolved in water or weak acid. Army Medical Research Institute for Infectious Diseases is also working on methods to counter ricin's effect. Ricin is a poison that can be made from the waste left over from processing castor beans. The most infamous ricin attack occurred in London in 1978, when Bulgarian.
In the end, it's up to your immune system to develop antibodies and destroy the ricin protein before it destroys you.īut if the Food and Drug Administration gives its go-ahead, one potential anti-ricin vaccine could begin clinical trials by the end of the summer, said Ellen Vitetta, director of the Cancer Immunobiology Center at the University of Texas Southwestern Medical Center in Dallas. When injected or inhaled, as little as one-half milligram of ricin is lethal to humans. For now, the Centers for Disease Control and Prevention can recommend only that you stay away from the toxin, or flush it out in the event of exposure. Treatment addresses only the symptoms of ricin poisoning, such as respiratory problems, seizures or low blood pressure.
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