Kathyrn McAuliffe, MPH¹, Wendy Wang, MPH¹, Michelle Rubio², Mark Sawyer, MD², K. Michael Peddecord, DrPH³, Karen Waters-Montijo, MPH⁴ and Heidi DeGuzman⁵, 1Department of Pediatrics, UCSD, San Diego Immunization Partnership, San Diego, CA, 2San Diego Immunization Partnership, Department of Pediatrics, UCSD, San Diego, CA, 3Graduate School of Public Health, SDSU, Immunization Partnership, San Diego, CA, 4County of San Diego Health and Human Services Agency, 5San Diego Immunization Partnership, University of California San Diego, San Diego, CA