Study of some virulence factors of Staphylococcus aureus isolated from wound and burn infections in Samarra city and evaluate their sensitivity to antibiotics


This study was conducted in order to isolate and diagnose Staphylococcus aureus causing wounds and burns infection in the city of Samarra. The current study included the collection of 110 swabs from patients admitted to Samarra General Hospital and some private medical clinics in Samarra city from infected patients. With infections of wounds and burns, for both sexes, and at different ages, 16 isolates with an isolation rate of 14.54% of these bacteria were obtained from the auditors in the advisory department, emergency ward, operating ward, and internal ward The maternity and gynecology ward, the children's ward and the dressing division, in the hospital. Sensitivity was conducted for (12) antibiotics, where the results showed that Staphylococcus aureus showed complete resistance with 100% towards the following antibiotics: Erythromycin, Ceftriaxone, Aztreonam, and complete sensitivity towards the antibiotics. Amikacin, Ciprofloxacin, Imepineme, Levofloxacin, and varying resistance to other antibiotics. Some virulence factors were investigated for these bacterial isolates under study, where Staphylococcus aureus bacteria produced some of the virulence factors studied as follows: - DNase at 81.25%, Hemolysin at 87.5%, Coagulase 100%, lecithinase & lipase 62.5 %, urease 81.25%.