In a 17-month-old girl an upper-respiratory-tract infection acutely developed. Group A beta-hemolytic streptococci were found on throat culture. She was treated with erythromycin. No clinical ...

Conclusions: Perineal streptococcal dermatitis initially treated with penicillin or amoxicillin is consistently associated with a high risk of clinical recurrence. Whether treatment with a beta ...

After incubation of the epiglottic swab specimen on 5% sheep blood agar plates at 37°C in 5% carbon dioxide, the predominant colonies found were large and beta-hemolytic. Samples of these ...

Rheumatic heart disease is a chronic condition that results years after acute rheumatic fever, which is caused by group A beta-hemolytic Streptococcus pyogenes. This organism produces a ...

Two separate tests for antibiotic susceptibility will performed. These tests are used to differentiate between alpha and beta hemolytic organisms. Alpha hemolytic organisms (Streptococcus pneumoniae ...