"Booster vaccines" are additional shots given to someone who has already received a vaccine. They help boost the immune system's response and provide longer-lasting protection against diseases. Full definition
This visit will also include the final booster vaccine for your pet, as well as a rabies vaccine. (petsmagazine.ca)
Puppies should begin receiving vaccinations at 6 weeks, and then receive booster vaccines every 2 - 4 weeks until they reach 16 weeks. (professorshouse.com)
All kittens require 2 - 3 sets of booster vaccines in order to develop active immunity against the common infectious diseases. (vcahospitals.com)