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The CDC reported recently that since October 2018, 11 people have contracted Salmonella infections from pet hedgehogs. The agency cautioned against kissing or snuggling with the animals, as this may contribute to transmission of the bacteria. They also recommended thorough hand-washing after caring for the animals.
Read more details about the Salmonella outbreak linked to hedgehogs in the New York Times. The CDC notice on the infections is available here.
Care information on pet hedgehogs can be found in the MSD Veterinary Manual.