Background: Salmonella enterica subsp. enterica serovar Cubana (antigenic formula 1,13,23:z29:–) is a serovar of the O:13 (G) serogroup. Salmonella Cubana was first isolated by Curbelo in Cuba from diseased baby chicks. This serovar is very rare and mainly associated with poultry. Serovar Cubana was found in contaminated chick and pig feed. 

Animal reservoir: Serovar Cubana was only found in chicken, and pigs.

Geographical distribution: Serovar Cubana has been found in the U.S., Canada, Cuba, and Sweden.

Outbreaks: Outbreaks have been associated with S. Cubana. 

YearLocationAssociated SourceNumber of Cases
1966US: CACarmine dye capsules7
1998US: Multi-stateAlfalfa sprouts34*
2009US: MinnesotaSprouts2
2009CanadaOnion sprouts and
mixed onion/alfalfa
sprout		14
2010US: Multi-stateAlfalfa sprouts3
2012US: Multi-stateSprouts19

*: Three serovars (S. Havana, S. Cubana, S. Tennessee) were involved in this outbreak. 

Relevant links and references:

  1. https://journals.asm.org/doi/epdf/10.1128/jb.51.1.123-124.1946
  2. https://www.sciencedirect.com/science/article/pii/S0032579119507593
  3. https://www.nejm.org/doi/pdf/10.1056/NEJM196704132761507
  4. https://www.sciencedirect.com/science/article/pii/S0362028X22095679
  5. https://journals.asm.org/doi/10.1128/genomeA.01112-14
  6. https://actavetscand.biomedcentral.com/articles/10.1186/1751-0147-47-13
  7. https://www.foodsafetynews.com/files/2016/02/Sprout-associated-outbreaks-2-24-16-1.pdf
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