Background: Salmonella enterica subsp. enterica serovar Derby (antigenic formula 1,4,[5],12:f,g:[1,2]) is a serovar of the O:4 (B) serogroup. S. Derby is a common serotype in pigs and pork products in Europe, raw pork in China (particularly Luohe, in Henan province). It is one of the dominant Salmonella serovars isolated from slaughter pigs in Europe (EFSA, 2008).
Animal reservoir: The most common reservoir for serovar Derby is swine. However, it has also been reported in poultry, eggs and dairy products.
Geographical distribution: S. Derby has been reported in Spain the US, Europe, and China.
Outbreaks: Outbreaks Multiple outbreaks linked to S. Derby have been reported; in most of these outbreaks, the associated food was pork products.
| Year | Location | Associated source | Number of cases |
|---|---|---|---|
| 2011 | Spain | dried pork sausage |
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