title: Upper limit of normal antistreptolysin-O titer in healthy school children.
abstract: We studied the level of ASO (anti streptolysin O) titer and throat culture for GABHS (group A beta hemolytic streptococci) in 200 normal healthy school children between 5 to 15 years of age. We noted the upper limit of normal titer of 242 IU in the healthy school children around Mysore city. Throat culture was positive for GABHS in 9% of healthy school children indicating the carrier state.
authors.forename: Kotyal B
authors.initials: KB
authors.lastname: Mahendrappa
authors.lastname: Rajendra
mesh_terms: D000293:Adolescent; D000907:Antibodies, Bacterial / Q000032:analysis*; D001426:Bacterial Proteins / Q000276:immunology; D002353:Carrier State / Q000276:immunology* / Q000382:microbiology; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007118:Immunoassay; D007194:India; D010614:Pharynx / Q000382:microbiology; D012016:Reference Values; D013290:Streptococcal Infections / Q000276:immunology* / Q000382:microbiology; D013297:Streptococcus pyogenes / Q000302:isolation & purification*; D013301:Streptolysins / Q000276:immunology*; D013334:Students
chemical_list: D000907:Antibodies, Bacterial; D001426:Bacterial Proteins; D013301:Streptolysins; C025964:streptolysin O