title: Resistance and immunity in families.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D003141:Communicable Diseases / Q000276:immunology*; D005260:Female; D006801:Humans; D007109:Immunity; D007110:Immunity, Active; D007112:Immunity, Maternally-Acquired; D007223:Infant; D007231:Infant, Newborn; D008297:Male