Articles include: Review of Basic Immunology and Hypersensitivity Reactions; Diagnostic Assays for Immunologic Diseases, Immunomodulators, Immunostimulants and Immunotherapies; Canine and Feline Vaccines; Adverse Events in Small Animals; Immune-Mediated Diseases; Transfusion Medicine; Transplantation in Small Animals; Cancer Immunology; Secondary Immunodeficiencies Due to Infections Diseases; Noninfectious Causes of Immunosuppression; and Primary Immunodeficiences.