C Spitters, MD, Yakima Health District; J Moran, MD, Yakima Valley Farmworkers
Clinic; D Kruse, MD, Yakama Indian Health Clinic, Toppenish; N Barg, MD, Yakima;
M Leslie, DVM, J Hofmann, MD, Washington State Dept of Health. M Moore, MD,
Div of Bacterial and Mycotic Diseases, National Center for Infectious Diseases;
G Macgregor-Skinner, BVSc, EIS Officer, CDC.