covered in the past. There are other bills pending in Congress that deal specifically with legal immigrants, IMO separating the two groups will make it more difficult for these children to receive the coverage they had in the past.
In the same family you could have some children with benefits and other children with no coverage.
http://www.cbpp.org/4-20-07health2.htm"However, while there are fewer uninsured citizen children, the percentage of low-income immigrant children who lack health coverage has climbed since 1996, when federal legislation restricted the eligibility of legal immigrants for Medicaid and SCHIP during their first five years in the United States (Figure 1). The disparities in health insurance coverage between citizen and immigrant children, already large a decade ago, have grown significantly larger. Today, almost half of low-income immigrant children are uninsured...
Before 1996, legal immigrants were eligible for Medicaid coverage on the same terms as citizens; they could be covered if they otherwise met a state’s Medicaid income and eligibility criteria. The 1996 welfare legislation terminated federal eligibility for regular Medicaid coverage for most legal immigrants during their first five years in the country, regardless of how poor they are or how serious their medical needs. These provisions also apply to SCHIP, which was enacted in 1997. There are exceptions for some immigrants, such as refugees and asylees, who can continue to get insurance during their first seven years in the United States. (U.S.-born children of immigrants, who constitute the great majority of children in immigrant-headed families, are citizens and remain eligible for Medicaid and SCHIP.) Those who are otherwise barred from Medicaid due to their immigration status are eligible for Medicaid coverage for emergency medical care, which includes childbirth but not prenatal care...
Health insurance coverage can help immigrant children access cost-effective preventive care instead of waiting for health problems to become so severe that they necessitate more expensive emergency room care. Similarly, providing prenatal care to avoid pregnancy complications is considered more cost-effective than paying for neonatal intensive care after a child is born..."