What Does the Presence Or Absence of CWD Really Mean? by Amanda Dougherty Results of recent testing of 1,342 deer and elk in Arizona are all negative for the presence of CWD. Neighboring states, however, have confirmed cases of CWD. But what does this really mean? It seems as if more and more cases of CWD are cropping up in the western states, which brings about the debate … [Read more...] about What Does the Presence Or Absence of CWD Really Mean?