Study arthritis in children as complication of throat streptococcal infection

الملخص EN

Streptococcus is a common pathogenic bacteria responsible for many diseases .

The choose of M protein in this study ( which is part of cell wall ) can give insight about immune response .One hundred samples of throat swabs from Children with different age (5-15 years) , were collected and tested for Streptococcus pyogenes according to World Health Organization protocol.

Bacterial were cultured on the blood agar , and used Rheumatoid factor for isolation of M protein and testing of the immune response.

Seventy five samples gave a positive result (75%) , and this indicates there were an immune response to the M protein antigen , while the other rest cases were negative to the immune response of M protein (25%).