TABLE 1.

Fusidic acid resistance determinants detected among MRSA and MSSA isolates

Species (no. of isolates showing fusidic acid MIC ≥ 2 μg/ml)No. (%) of isolates with different fusidic acid resistance determinants
fusA mutationfusBfusCfusD
MRSA (45)38 (84)0 (0)7 (16)0 (0)
MSSA (26)3 (12)15 (58)8 (31)0 (0)
Total (71)41 (58)15 (21)15 (21)0 (0)