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 Minn. Republican threatens retaliation against medical board Hennepin Healthcare program aims to get more kids of color interested in medical careers African researchers lead campaign for equity in global collaborations