So humans are exposed when they are in direct contact, like a dog licking human's face. Maintaining good hygiene after interacting with dog is important.(Shutterstock) Since there’s a ...

and cuddling up with his favorite humans. At 69 pounds, he'd prefer to be the only pet in his new home. "We couldn't believe he was still at the shelter—he's an amazing dog," Masloski said.

The dog's brains lit up the same amount whether they gazed at a face or the back of a head. The human participants, by contrast, had brains that lit up like Christmas trees when presented with a ...