Immune unresponsiveness and its possible relation to filarial disease.
D000818:Animals; D002908:Chronic Disease; D005368:Filariasis / Q000175:diagnosis / Q000276:immunology*; D005370:Filarioidea / Q000276:immunology*; D006801:Humans; D007108:Immune Tolerance; D008213:Lymphocyte Activation; D051379:Mice; D009855:Onchocerciasis / Q000276:immunology