Volume 19, Number 1—January 2013
CME ACTIVITY
Listeriosis Outbreaks and Associated Food Vehicles, United States, 1998–2008
Emily J. Cartwright, Kelly A. Jackson, Shacara D. Johnson, Lewis M. Graves, Benjamin J. Silk
, and Barbara E. Mahon
, and Barbara E. MahonTable 3
Characteristics of 24 listeriosis outbreaks by Listeria monocytogenes serotype, Foodborne Disease Outbreak Surveillance System, United States, 1998–2008*
| Serotype | No. outbreaks | Total no. cases† | Median duration, d (range) | No. cases/outbreak | No. (%) hospitalized | No. deaths (CFR, %) |
|---|---|---|---|---|---|---|
| 4b | 10 | 218 | 68 (1–389) | 22 | 152 (70) | 28 (13) |
| 1/2a | 8 | 119 | 99 (3–351) | 15 | 53 (45) | 8 (7) |
| 1/2b | 2 | 5 | 5 (2–7) | 3 | 3 (60) | 0 |
| Unknown | 4 | 17 | NA | 4 | 7 (41) | 2 (12) |
*NA, not available.
†Includes laboratory-confirmed and epidemiologically linked cases.
