Ph.D. (Veterinary Immunology) is a doctoral level course. The doctoral course offers an overview of how vaccines can prevent disease, how the immune system works, and why vaccines sometimes fail to protect from disease and occasionally cause adverse reactions. Various topics related to Veterinary Immunology study covers in this course. It is related to study of all aspects of immune system in animals. The course involves  malfunctions and disorders, but also health, of the immune system