After that subsequent vaccination boosters are given every 1 to 3 years or based on antibody levels depending on the policy of the supervising animal hospital. (vin.com)
Don't forget now is the time for their annual vaccination booster and also a great opportunity for an annual health check up with your veterinarian! (puppytoob.com)
SAN FRANCISCO — A single injection of microscopic plastic capsules could someday eliminate the need for vaccination booster shots. (sciencemag.org)