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Geographical distribution: Mostly reported from North America, serovar Heidelberg is the second and seventh most common serovar isolated from humans in Canada and in the U.S., respectively. In Europe this serovar is rare (approx. 180 cases/year).
Outbreaks: A number of outbreaks Multiple Heidelberg outbreaks have been linked to poultry, most of them in the U.S. have been linked to S. Heidelberg.
Year | Location | Associated source | Number of cases |
2013 | US-multistate | Raw chicken | 278 |
2011 | US-multistate | Kosher Broiled Chicken Livers | 190 |
2011 | US-multistate | Ground turkey | 136 |
2011 | Europe | In-flight catering from Tanzania to Europe | 22 |
2005 | US-WI | Pig roast | 25 |
2004 | Canada | Food handler | 45 |
2001 | Australia | Eggs | 12 |
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