Briefly, the drug susceptibility of the S. aureus isolates to penicillin (10 U), oxacillin (1 μg), cefoxitin (30 μg), erythromycin (15 μg), clindamycin (2 μg), trimethoprim (5 μg), ciprofloxacin (5 μg), levofloxacin (5 μg), tetracycline (30 μg), chloramphenicol (30 μg), gentamicin (10 μg), rifampicin (5 μg), teicoplanin (30 μg), nitrofurantoin (300 μg), and fosfomycin (200 μg) (Sigma) were measured using K-B method and following the procedure described by the American Clinical Laboratory Standardization Institute (CLSI, 2015) [10 (link)16 (link)].