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Animal reservoir: Serovar Sandiego is found in small turtles and their environments. A 1951 case report from Canada mentions that it is also found in birds.
Geographical distribution: Serovar Sandiego has been found in the United States and Canada, and, reportedly, also in Uruguay and Denmark.
Outbreaks: Several outbreaks have been associated with S. Sandiego, mostly in small pet turtles.
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