It appears that everything you knew intuitively as a cat owner is true. Your kitty is a comfort when you are feeling sick and they won’t spread or catch human viruses. Short of stating the in-home cat therapy would be a viable medical prescriptive, if it makes you feel better, then snuggle away.
Japan has an undeniable love affair with the cats. From Catfes to cat-informed merchandise, to say the country is crazy about the animal is an understatement. And this fascination extends to their transportation system, as well.