title: Unexplained immunodeficiency and opportunistic infections in infants--New York, New Jersey, California.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D007153:Immunologic Deficiency Syndromes / Q000503:physiopathology*; D007223:Infant; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000503:physiopathology*; D008297:Male; D014481:United States