Source checked November 12, 2026. Editorial team. Not professionally reviewed.
Core and noncore
AAHA and AVMA use core for vaccines recommended broadly, with medical exceptions considered by the veterinarian. Noncore refers to recommendations for some animals according to circumstances such as exposure, lifestyle or geography. These labels do not rank the importance of a vaccine for one dog. They also do not supply the law, a product label or a schedule that the reader should administer.
AAHA: Recommendations for core and noncore canine vaccines · AVMA: Vaccinating your pet
Antibody titer
AVMA describes an antibody titer as a blood test measuring certain antibodies. It says titers do not replace vaccination programs, although they may help a veterinarian evaluate an unclear history. This definition does not explain how to interpret a numerical result, prove protection or satisfy a legal rule. The word desk deliberately accepts no values or reports.
Individualized schedule
AVMA describes a vaccination plan based on the pet’s circumstances and needs. AAHA emphasizes product instructions and veterinary discretion. Individualized therefore means more than entering an age in a website calculator. This glossary generates no due dates, doses or catch-up plan. Ask the treating practice about the actual recommendation and preserve its original instructions.
AAHA: Recommendations for core and noncore canine vaccines · AVMA: Vaccinating your pet