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Circle plot showing the similarity between three closed Salmonella Agona isolates associated with the cereal outbreaks. The reference Salmonella Agona CFSAN000477 is associated with the 2008 outbreak, Salmonella Agona CFSAN000471 is associated with the 1998 outbreak and Salmonella Agona SL483 is associated with a sporadic case in 2003.
