, — Officials in Detroit are putting together plans to knock on doors across the 139-square-mile city to convince residents to get vaccinated for COVID-19. The Detroit News reports that the city expects by the end of April to have crews start visiting homes to speak with residents about the importance of protecting themselves from the virus with vaccinations and how to sign up to receive the shots. Despite drive-up vaccinations at a downtown convention center, mass vaccinations at Ford Field and Saturday vaccinations at churches, only 22% of Detroit residents have received at least one vaccine dose compared to 38% for all of Michigan.