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Origins and serogroups of the 97 epidemiologically unrelated strains of L. monocytogenes studied
| Serogroup | No. of strains from:
|
Total | |||
|---|---|---|---|---|---|
| Environment | Animals | Food products | Humans | ||
| 1/2 | 16a | 9 | 27b | 8 | 60 |
| 4 | 3 | 9 | 14 | 11 | 37 |
| All | 19 | 18 | 41 | 19 | 97 |
Including three strains resistant to QACs.
Including four strains resistant to QACs.
