Chronic wasting disease has been in the U.S. deer herd for at least the past 30 years. Questions about why it got there and how it spreads have been around for just as long.
Experts on the disease are gathering in Madison this week to share their research on the disease found in the Wisconsin herd in February 2002, the first time it was discovered east of the Mississippi.
(Debbie McKenzie, a senior scientist at the UW-Madison School of Veterinary Science, is quoted in this story.)