Many of us have pet insurance to cover against big vet bills from working injuries. Most pet insurance policies specify that your dog must have up-to-date boosters or the policy will be invalid, this alone is a good enough reason for me to get my dogs boosters done.
No innoculations human or animal are 100% guaranteed to produce good levels of immunity and some animal vacinations like some human vaccinations do need boosters. The manufacturers of most of the brands of vaccines recommend periodic boosters to maintain good levels of immunity and can provide the scientific data on which their