Streptococcal infections are one of the most common causes of bacterial infections in infants and children from 5 to 15 years of age. The Group A-Streptococci are the most common cause of acute pharyngitis.
This study was designed to evaluate the occurrence of carrier state streptococcal infections in schoolchildren of East Tehran from 1993 to 1994. The samples were collected using sterile swabs from tonsils and Pharynx and then cultured. In this study 747 cases were evaluated (387 boys and 360 girls); 59.2% were elementary schoolchildren and 40.8% were in middle school.
88.5%(n=661)were positive for alpha H-Streptococci; 7.4%(55)for non group- A Strep- tococci, 2.7%(n=20) for beta hemolytic group A Streptococci and 1.4%(n=11) for Staph- ylococci. Totally, Overall, 75 cases were positive for carrier- state Group A and Non- A beta he- molytic Streptococci.
Key Words: Carrier - State Group A Beta Hemolytic Streptococci, Acute Pharyngiti, School Children.