The Vaccine-Preventable Diseases Report is prepared by researchers in the Department of Epidemiology at Childrenās Colorado. It examines CDC National Immunization Survey data and Colorado Hospital Association inpatient and emergency department data to determine the health and economic burdens resulting from VPDs in Colorado. Below are the reports from past years between 2006 and 2019. Click on each to view and download it. For more recent reports, please visit our Resource Library.