TABLE 1.
Frequency of putative virulence factors among isolates obtained from fish, from the environment, and from humans with diarrhea in Bangladesh
| Source of isolate | n | No. of isolates (%)
|
|||||||
|---|---|---|---|---|---|---|---|---|---|
| Cytotoxin | Hemolysin | Toxin genea | Agglutination of erythrocytes from:
|
||||||
| Fish | Humans | Rabbits | |||||||
| Fish | 14 | 14 (100) | 14 (100) | 14 (100) | 14 (100) | 14 (100) | 14 (100) | ||
| Environment | 26 | 18 (69) | 18 (69) | 9 (35) | 0 | 14 (54) | 9 (35) | ||
| Human diarrhea | 12 | 6 (50) | 6 (50) | 1 (8) | 0 | 2 (17) | 2 (17) | ||
| Total | 52 | 38 (73) | 38 (73) | 24 (46) | 14 (27) | 30 (58) | 25 (48) | ||
a
Cytolytic enterotoxin gene and/or extracellular hemolysin gene.