From: Low level β-lactamase production in methicillin-resistant staphylococcus aureus strains with β-lactam antibiotics-induced vancomycin resistance
blaZ
Nitrocefin test
+
-
BIVR
4 (16.0%)
21 (84.0%)
2 (8.0%)
23 (92.0%)
Non-BIVR
310 (94.5%)
18 (5.5%)
200 (61.0%)
128 (39.0%)