A total of 21 people have been infected from a strain of salmonella that the Centers for Disease Control and Prevention said is likely linked to contact with pet turtles.

The cases stretch across 13 states and include one person in Tennessee. So far, no deaths have been reported, but seven people have been hospitalized. 

According to the CDC, turtles can carry salmonella germs in their waste, while appearing healthy and clean. The germs can spread easily to their bodies and can cause people to get sick after they touch one or anything in their habitats.

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