S Everett, MPH, M Jacobson, S Halldorson, MPH, D Savoini, B Supalla,
MPH, Yavapai County Health Dept, Prescott; S Goodykoontz, C Snider, MHS, S
Anderson, MPH, B Mathison, V Waddell, PhD, E Denious, MS, K Komatsu, MPH,
V Vaz, PhD, C McRill, MD, B England, MD, Arizona Dept of Health Svcs. P Cassiday,
MS, GN Sanden, PhD, Div of Bacterial and Mycotic Diseases, National Center
for Infectious Diseases; P Srivastava, MS, R Woodruff, MPH, KM Bisgard, DVM,
Epidemiology and Surveillance Div, National Immunization Program, CDC.