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Analysis of C. perfringens toxin types in Pittsburgh soils
| Type | No. (%) of samples positive for indicated form of C. perfringens/total no. of samples
|
|
|---|---|---|
| Presumptively vegetative cells | Spores | |
| A | 339/343 (98.8) | 374/377 (99.2) |
| B | 0/343 (0) | 0/377 (0) |
| C | 0/343 (0) | 1/377 (0.3) |
| D | 8/343 (2.3) | 1/377 (0.3) |
| E | 4/343 (1.2) | 3/377 (0.8) |
