Holly Groom, MPH¹, Suchita Lorick, DO, MPH², Kelly Martin, MPH³, Robert Moore, MD⁴, Julie O'Neil, MPH⁴, Rosa Duran⁴, Bo-Hyun Cho, PhD⁵, Garrett Asay, PhD⁶ and Mark Messonier, PhD⁶, 1Oregon Immunization Program, Oregon Department of Human Services/CDC, Portland, OR, 2NCIRD, ISD, HSREB, CDC, Atlanta, GA, 3Marion County Health Department, Salem, OR, 4Yamhill County Health Department, McMinnville, OR, 5Health Economics, Carter Consulting Inc, Atlanta, GA, 6Immunization Services Division, Centers for Disease Control and Prevention, Atlanta, GA