Middle class uninsured on the rise.
D001741:Black or African American / Q000706:statistics & numerical data; D003625:Data Collection; D006630:Hispanic or Latino / Q000706:statistics & numerical data; D017057:Medically Uninsured / Q000706:statistics & numerical data*; D012923:Social Class; D012959:Socioeconomic Factors; D014481:United States