The bacterial infection, caused by a certain strain of Salmonella, was found in samples collected from hedgehogs in some of the infected peoples' homes. These germs can then spread to their living spaces, toys, and bedding, which can make caretakers sick.
The agency says that lab tests have shown that the 'contact with pet hedgehogs is the likely source of this outbreak'.
The CDC has identified 11 people in eight states who were infected with salmonella associated with the pets, with illnesses beginning between October 22 and December 25.
In response to the infections, the CDC gave tips on how to be safe around hedgehogs, including "don't kiss, snuggle, or hold small pets close to your face".
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Symptoms can include nausea, vomiting, diarrhea and abdominal pain that generally last between four and seven days.
According to the Centers for Disease Control and Prevention (CDC), salmonella is the cause for 1.2 million illnesses, 23,000 hospitalizations, and 450 deaths in the United States annually. Most people recover without treatment; however, some can experience severe illness in rare cases if not treated promptly.
If you pick up a pet hedgehog, be sure to wash your hands thoroughly afterward. The CDC recommends against letting these pets wander freely in areas where you prepare food.
Clean habitats, toys, and supplies outside the house when possible.