enough of it, will get seriously ill. and they would need significant medical support. >> one more question before we move on to another subject. i know you're going to be sticking around for us. when they say that some of those here in new york who came into contact with this letter that is believed to have ricin, at least the initial tests tested positive, have what are called minor symptoms, what are you anticipating? what are the minor symptoms that people should be paying attention to? >> well, you could feel nauseated, you could feel sick, somewhat faint. again, people need to understand that ricin, unlike an infectious agent, blocks metabolic processes in the body and can shut down some of the systems. people can feel sick from a variety of things. just feeling some symptoms. you want to make sure they're real and not the shock of thinking they were exposed. they certainly need to be seen by a physician or medical facility that can examine them thoroughly. and if they do need support, to