Breadcrumb Home News MDH announces new app to provide proof of vaccine MDH announces new app to provide proof of vaccine September 15, 2021 Dr. Jennifer Needle, MD, MPH describes the difference between vaccine passports and MDH's new vaccine report app. Previous News Rutgers Senate Suggests Big Ten Alliance to Shield Campuses from Trump’s Attacks New Count of US Public Health Workers Shows 15% Increase In Workforce There Will Be Slowdowns': How RFK's Health Department Cuts Will Affect You