>>53843573Yes, though it'd probably only be applicable to some Pokemon and not all(I'm going to find it incredibly difficult to believe Magnezone can be given rabies.)
As for putting it down, no there'd probably be a proper cure for a disease that deadly. Keep in mine we've got super computers for living beasts, so they'd probably have spent some time figuring it out, and the humans would easily get them the resources required to put that into action.