CGHE members span the University of Michigan and the globe, including faculty experts, research collaborators, scholars, and community partners. Search for Members with Keywords, Sponsors, Locations, or Categories + Matthew (Matt) Boulton, MD, MPH Health disparities in vaccine preventable diseases David Guenther, JD Social enterprises, maternal health, rural communities Elisa Maffioli, PhD, MA, MS Healthcare access and delivery in developing countries Emily Treleaven, PhD, MPH Social and structural determinants of health and mortality Abram Wagner Disparities in vaccination, with a particular focus on vaccine hesitancy