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Correlation of urease activity with the presence of trh.
| Hemolysin genotyp | % of urease positive (# of strains tested) | |
|---|---|---|
| tdh | trh | |
| FOR CLINICAL ISOLATES | ||
| + | + | 100% (67) |
| + | − | 25% (8) |
| − | + | 100% (8) |
| − | − | 33% (11) |
| FOR ENVIRONMENTAL ISOLATES | ||
| + | + | 100% (7) |
| + | − | 0% (1) |
| − | + | 100% (2) |
| − | − | 0% (10) |
