title: Hemophilus influenzae b meningitis in identical twins of a triplet sibship.
mesh_terms: D000367:Age Factors; D000907:Antibodies, Bacterial / Q000032:analysis; D000917:Antibody Formation; D000941:Antigens / Q000032:analysis; D001789:Blood Group Antigens; D002462:Cell Membrane / Q000276:immunology; D004200:Diseases in Twins; D004912:Erythrocytes / Q000276:immunology; D005260:Female; D006680:HLA Antigens; D006193:Haemophilus influenzae / Q000276:immunology; D006801:Humans; D007223:Infant; D007962:Leukocytes / Q000276:immunology; D008297:Male; D008583:Meningitis, Haemophilus / Q000235:genetics* / Q000276:immunology; D010375:Pedigree; D011247:Pregnancy; D011863:Radioimmunoassay; D014310:Triplets
chemical_list: D000907:Antibodies, Bacterial; D000941:Antigens; D001789:Blood Group Antigens; D006680:HLA Antigens