They do have therapy pets come in, but I don’t know of any facilities (at least in my area) that allow companion animals to live with the resident.
We got a couple of those Joy For All cats for one of our loved ones who had dementia. He adored it. And it did bring him great comfort.
But the leader of the free world can’t be seen snuggling one of those in his arms, can he?
Really? My grandmother’s nursing home had kitties all over the place...and that was in soviet New York. :-)