Douglas J. Weiss, DVM, MS, PhD, is Professor of Veterinary and Biomedical Sciences at the University of Minnesota in St. Paul. Current areas of research include immune mechanisms that determine susceptibility/resistance to Johne's disease, detection and differentiation of leukemias and lymphomas, and detection of activated neutrophils and platelets in infectious diseases.
K. Jane Wardrop, DVM, MS, DACVP, is Professor Chief, Clinical Pathology at Washington State University's Department of Veterinary Clinical Sciences. Specific research areas include veterinary transfusion medicine, hemostasis, and thrombosis. She was also an editor on the Fifth Edition of Schalm's.