Upon receiving such a status, refugees are immediately eligible to receive Temporary Assistance for Needy Families, Supplemental Security Income, and Medicaid. The third category of foreign-born is the non¬immigrants; these people are admitted to the United States for a limited duration and for a specified purpose. Non-immi¬grants include students, tourists, temporary workers, business executives, career diplomats and their spouses and children, artists, entertainers, and reporters. The fourth category of for- eign-born is unauthorized immigrants, or undocumented or illegal aliens. These persons may have crossed a border into the
United States illegally, or their legal permission to stay may have expired. They are eligible only for emergency medical services, immunizations, treatment for the symptoms of communicable