I have one 15 year old cat who had a terrible reaction to his last rabies shot. I have 2 other elder cats, both "due" for vaccines. I am afraid to do it, one is 18, and doesn't eat well and has hypothyroid The other is around 11, and also has hypothyroid. The vets harass me each time I go in. The cats never go out, and no other critters come in. I know for a fact they don't need the vaccine, but is it actually unsafe when they are sick/elderly? It make me uncomfortable the vets insistence, and our state says all animals have to have rabies shots.