title: Chronic infections in a family with hereditary deficiency of IgG2 and IgG4.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002908:Chronic Disease; D004406:Dysgammaglobulinemia / Q000150:complications* / Q000235:genetics / Q000628:therapy; D005260:Female; D006192:Haemophilus Infections / Q000276:immunology*; D006193:Haemophilus influenzae / Q000276:immunology*; D006801:Humans; D007111:Immunity, Cellular; D007070:Immunoglobulin A / Q000032:analysis; D007072:Immunoglobulin D / Q000032:analysis; D007074:Immunoglobulin G / Q000032:analysis; D007147:Immunoglobulin Light Chains / Q000032:analysis; D007075:Immunoglobulin M / Q000032:analysis; D007153:Immunologic Deficiency Syndromes / Q000150:complications*; D008213:Lymphocyte Activation; D008297:Male; D010031:Otitis / Q000276:immunology; D011014:Pneumonia / Q000276:immunology; D013682:Teichoic Acids / Q000276:immunology; D005719:gamma-Globulins / Q000627:therapeutic use
chemical_list: D007070:Immunoglobulin A; D007072:Immunoglobulin D; D007074:Immunoglobulin G; D007147:Immunoglobulin Light Chains; D007075:Immunoglobulin M; D013682:Teichoic Acids; D005719:gamma-Globulins