TABLE 1.
Distribution of Vibrio parahaemolyticus O serogroups in four sites of Maryland Coastal Bays.
| Sero group | Chincoteague Bay | Newport Bay | Sinepuxent Bay | St. Martin River | Total |
| O1 | 4 | 8 | 7 | 3 | 22 |
| O2 | 1 | 0 | 0 | 1 | 2 |
| O3 | 8 | 6 | 6 | 8 | 28 |
| O4 | 3 | 1 | 3 | 4 | 11 |
| O5 | 13 | 12 | 17 | 8 | 50 |
| O6 | 2 | 4 | 1 | 5 | 12 |
| O7 | 0 | 0 | 0 | 0 | 0 |
| O8 | 1 | 0 | 2 | 0 | 3 |
| O9 | 0 | 0 | 0 | 0 | 0 |
| O10 | 3 | 3 | 3 | 0 | 9 |
| O11 | 0 | 5 | 3 | 5 | 13 |