TABLE 6.
Percentages of V. cholerae-positive samples as determined by the enrichment culture and DFA O1 methods at different temperatures and different salinities
| Method | % of V. cholerae-positive samples
|
|||||||
|---|---|---|---|---|---|---|---|---|
| <19°C
|
≥19°C
|
|||||||
| <0.5 ppt | 2-8 ppt | 8-14 ppt | >14 ppt | <0.5 ppt | 2-8 ppt | 8-14 ppt | >14 ppt | |
| Enrichment (cruise sites) | NDa | ND | ND | ND | ND | 75.0 (4)b | 21.7 (23) | 9.5 (63) |
| Enrichment (shore sites) | 6.5 (31) | 9.5 (42) | 2.8 (72) | 0.0 (3) | 14.3 (42) | 84.4 (45) | 24.2 (99) | 0.0 (3) |
| DFA O1 (shore sites) | 8.7 (46) | 6.0 (50) | 15.4 (104) | 0.0 (12) | 13.3 (45) | 84.1 (44) | 29.7 (108) | 0.0 (3) |
a
ND, not determined.
b
The values in parentheses are numbers of samples.