Title: Detection of Staphylococcus Aureus And Methicillin-Resistant Staphylococcus Aureus (MRSA) From Human Clinical Specimens Using Conventional Biochemical Tests And Chromogenic Media
Abstract: Objective: To identify of Staphylococcus aureus and methicillin – resistant staphylococcus aureus (MRSA) by two methods; conventional biochemical test and chromogenic media from various clinical specimens in Basrah, Iraq. Methods: A total of 82 isolates from clinical specimens were collected ( wounds , skin infections, urine samples and stool samples) . All these isolates were tested for comparative detection S. aureus by conventional biochemical test and by CHROMagar Staph. aureus , all positive samples were detected MRSA by CHROMagar MRSA. Results: 26 (31.7%) isolates of 82 clinical samples were detected as S. aureus by conventional biochemical test, while 23 (28%) were positive by CHROMagar Staph. aureus. 17 (65%) from 26 isolates as MRSA detected by CHROMagar MRSA. Conclusion: A screening procedure using chromogenic media give better results, faster and more sensitive in identifying S. aureus and MRSA than conventional methods.