"Get ready for a silly question," one reader wrote in response to our series on "hidden viruses" that jump from animals to people. "I love my pups very much – and I think they love me too because I ...

What's the risk of contracting a surprising virus from Fido or Kitty? It's not a frivolous question, as one virologist explains. And there's... "Get ready for a silly question," one reader wrote in ...

"I love my pups very much – and I think they love me too because I get lots of kisses. Is that bad from a spillover virus perspective – for me or my dogs? Should I train my pups to be less ... kissy?