TABLE 2.
Pulsogroups, pulsotypes, and serotypes of L. monocytogenes isolates recovered from retail RTE foods and clinical cases in California and Maryland in 2000 and 2001
| Pulsogroup | No. of pulsotypes | No. of isolates | Serotype(s) (no. of isolates) | No. of food categories represented |
|---|---|---|---|---|
| A | 15 | 154 | 1/2a (148), 3a (6) | 6 |
| B | 21 | 109 | 1/2b (102), 3b (6), 4b (1) | 5 |
| C | 11 | 34 | 1/2a (9), 1/2b (2) | 4 |
| D | 7 | 26 | 1/2a (26) | 3 |
| E | 12 | 23 | 1/2a (14), 1/2c (9) | 6 |
| F | 5 | 50 | 1/2a (50) | 5 |
| G | 5 | 13 | 1/2a (13) | 3 |
| H | 6 | 12 | 1/2a (10), 1/2b (2) | 4 |
| Ia | 3 | 12 | 4b (8), 4d (4) | 4 |
| J | 10 | 20 | 4d (1), 1/2a (1), 1/2b (1), 4b (17) | 5 |
| Ka | 8 | 20 | 1/2a (17), 1/2b (2), 4b (1) | 3 |
| L | 5 | 16 | 1/2b (15), 3b (1) | 3 |
| Ma | 3 | 11 | 1/2b (11) | 2 |
| N | 15 | 17 | 4b (7), 1/2b (3), 1/2a (5), 4c (2) | 5 |
| O | 5 | 9 | 4b (9) | 3 |
| P | 8 | 18 | 4d (1), 1/2a (1), 1/2b (1), 4b (15) | 2 |
| Total | 139 | 544 |
a
No clinical isolates were in pulsogroups I, K and M.