Michael Castle: “We do need, as has been indicated, a multistate surveillance system. We do need case control studies and we do need a…”

“We do need, as has been indicated, a multistate surveillance system. We do need case control studies and we do need a biological test of human exposure. Here is the basic problem. So far we have been dealing with this issue as States, been dealing with it through our departments of natural resources. That is true in all the States from Delaware down to Florida. There is an expert at North Carolina State University who has helped us a great deal. The bottom line is, there has not been a united, concerted effort to make a difference in fighting the problems of Pfiesteria.”