title: [Beta-hemolytic streptococci as a cause of sore throat in the Pretoria area].
abstract: A study was performed in Pretoria on 232 unselected patients who presented with the complaint of sore throat. A throat swab was positive for Lancefield group A beta-haemolytic streptococci in 33,2% of these patients. The incidence was significantly higher in Black patients (45,5%) than in White patients (23,2%) and 12,1% of healthy controls showed a positive culture. No seasonal variation was detected. Throat swabs kept overnight at room temperature were falsely negative for beta-haemolytic streptococci in 43,2% of cases. A correlation was found with certain clinical signs.
mesh_terms: D001741:Black or African American; D044383:Black People; D006801:Humans; D010612:Pharyngitis / Q000453:epidemiology* / Q000382:microbiology; D012621:Seasons; D013019:South Africa; D013290:Streptococcal Infections / Q000453:epidemiology*; D013292:Streptococcus agalactiae / Q000302:isolation & purification; D044465:White People
vernacular_title: Beta-hemolitiese streptokokke as oorsaak van seerkeel in Pretoria en omgewing.