Background: Salmonella enterica subsp. enterica serovar Hartford (antigenic formula 6,7:y:e,n,x) is a serovar of the O:7 (C1) serogroup. It has been isolated from a dairy-producing environment.
Animal reservoir: Salmonella Hartford was found in chicken, calves, wild black bears.
Geographical distribution: Serovar Hartford has been found in Hungary, China, and the U.S.
Outbreaks: Outbreaks have been associated with S. Hartford.
Year | Location | Associated Source | Number of Cases |
---|---|---|---|
1995 | US: FL | Unpasteurized orange juice | 62* |
2010 | US: Multi-state | Not identified | 75 |
2014 | US: Multi-state | Organic sprouted chia powder | 7 |
2023 | US | Not yet identified | at least 47 |
*Salmonella Gaminara was also involved in this outbreak.
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