Why isn that epidemiological study going on?
DR. KOPLAN: We’ve got a fair number of epidemiologic studies going on and when we do epidemiologic studies, normally you try and answer a specific question, and have the study designed to give you that answer, and not leave you a little unclear at the end. Tracing letters is fine if you know both the route of the letter and what happened to that letter in the course of its progress, so that it’s not–you know, this idea that there’s some finite number of letters at one particular spot in the post office, that are special, may or may not be true, and as I tried to indicate before, there’s enough other activity that goes on in that processing, that focusing on a given set of letters at the moment, that we can see, isn’t the–won’t give us the answers we need. One of the things–we have evidence, ample evidence, epidemiologically now, that there is cross contamination. There is evidence that that cross contamination can cause cutaneous anthrax, and what we’re trying to do now, epidemiolog
