Dawn M. Roellig, PhD1, Jonathan S. Yoder, MPH, MSW1, Susan Madison-Antenucci2, Trisha Robinson, MPH3, Tam Van4, Sarah A Collier, MPH1, Dave Boxrud5, Timothy Monson, MS4, Leigh Ann Bates6, Anna Blackstock1, Sharon Shea7, Kirsten Larson8, Lihua Xiao, PhD1 and Michael J Beach, PhD1, (1)Centers for Disease Control and Prevention, Atlanta, GA, (2)New York State Department of Health, Albany, NY, (3)Minnesota Department of Health, St Paul, MN, (4)Wisconsin State Laboratory of Hygiene, Madison, WI, (5)Minnesota Department of Health, Saint Paul, MN, (6)Kentucky Division of Laboratory Services, Frankfort, KY, (7)Association of Public Health Laboratories, Silver Spring, MD, (8)Food Safety, Association of Public Health Laboratories, Silver Spring, MD