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10. Additional Cases

The remaining 7 (32%) had no recorded rodent exposure.  This means that 68% of the matching human cases of S. Typhimurium in the database could be epidemiologically linked to the outbreak in the pocket pet industry.

You find that the type of pocket pet exposure was varied.  Seven cases were linked to mice or rats used for feeding snakes, 4 cases were linked to pet mice or rats, and two more cases were linked to pet hamsters. The human cases are mapped out in order to see if there is a geographic cluster.

Number of Rodent-Associated Human Cases, by State (n=15)

Once you map it, you see that this is a multi-focal event, and you look for ways to explain how this same organism caused illness in many different places across the Eastern United States.  You are also quite impressed that this outbreak now involves many people across the country, not just one child in Minnesota.



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