Willingness to be vaccinated is not the only factor that may reduce vaccination rates. Fear is a powerful deterrent for individuals in hidden populations, especially undocumented immigrants. Even if their work or other circumstances place them at high risk of infection, many would be unlikely to risk the consequences of coming forward to be vaccinated.

The federal government's proposed rule to disqualify families from public housing if any member is undocumented will harm children, families, and cities.

On February 21, the Department of Homeland Security released new policies prioritizing deportation of undocumented immigrants. Will this policy shift affect health care access for this population of 11 million?...