Rabies is a serious disease that can be fatal to humans and animals. The rabies vaccination is required by law in many countries, including the United States. The rabies vaccine is a series of three shots over time at set intervals (usually every one or two months). It's recommended that you have your pet vaccinated every year, but it's not always necessary for all dogs and cats under six months old check with your vet in dubai if you're unsure whether or not your pet needs this shot.