As the Biden administration works to draft guidance for industry around COVID-19 vaccine passports -- digital health passes that can provide proof of vaccination and be used by businesses to screen people for vaccination status -- digital health groups say they want the federal government to play an even bigger role in in the development process, specifically by creating a unifying set of standards for industry, providing funding for developers, and allowing some apps to link up with federal agencies so they can notify users of new and updated federal guidance.