Can you give your cat the flu?

With flu season upon us, it’s time to think about boosting your immune system so you don’t get sick. And if you need even more incentive to stay healthy this winter, consider this: it turns out that humans can give the flu to cats.

The first case of a cat getting the flu from humans was identified in 2009, when the H1N1 (swine flu) strain was identified in a cat in Iowa. Since then, there have been a handful of other cases of the flu being passed from humans to cats, dogs or ferrets. Veterinar...