Table 3: The range of vancomycin MIC for sewage and carrier isolates.

Vancomycin MIC
MIC (μg/ml) No. (%) of Sewage Isolates No. (%) of Carrier Isolates
0.25-0.5 19 (24.7) 21 (32.8)
1-2 35 (45.4) 24 (37.5)
4 12 (15.6) 15 (23.4)
64 8 (10.4) 3 (4.7)
128 2 (2.6) 1(1.5)
256 1 (1.3) 0