[Distribution of beta-hemolytic Streptococcus groups according to clinical sources and age group]

Distribution of beta haemolytic streptococcus groups was investigated according to their clinical sources and patients' age groups. The major portion of the isolates from the respiratory tract specimens and pus was group A, and from the urine samples and vagina swabs was groups B and G. In the pediatric age group, percentages of groups A and C were found to be higher than those of the adolescents while the rates of groups B, D and G were elevated in the adolescents. These colonization sites and the age group distribution differences between Streptococcus groups have clinical and epidemiological importance.