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Volume 19, Number 1—January 2013

CME ACTIVITY - Synopsis

Listeriosis Outbreaks and Associated Food Vehicles, United States, 1998–2008

Emily J. Cartwright, Kelly A. Jackson, Shacara D. Johnson, Lewis M. Graves, Benjamin J. SilkComments to Author , and Barbara E. Mahon
Author affiliations: Author affiliation: Centers for Disease Control and Prevention, Atlanta, Georgia, USA

Main Article

Table 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.

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