Study: Therapy Dogs Can Spread Superbugs

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PHILADELPHIA (CBS) -- They're cute and cuddly but therapy dogs may bring more than just smiles to hospital patients.

Doctors at Johns Hopkins Hospital found the dogs can also spread superbugs.

It's especially a problem for patients with weakened immune systems.

They found washing the dogs before visits and using special wipes while they're in the hospital can reduce the bacteria they're carrying.