The fields of study he is best known for: Internal medicine Antibody Gene Hugh J. Willison spends much of his time researching Immunology, Antibody, Guillain-Barre syndrome, Motor nerve and Molecular mimicry. His study involves Autoantibody, Antiganglioside antibodies, Immunoglobulin M, Complement system and Monoclonal antibody, a branch of Immunology. His Antibody research includes elements of Pathogenesis, Antigen, Microbiology, Myelin and Ganglioside. His work carried out in the field of Guillain-Barre syndrome brings together such families of science as Paralysis, Ataxia, Intensive care and Virology. His Motor nerve study integrates concerns from other disciplines, such as Neuromuscular junction, Motor Endplate and Axon. His Molecular mimicry study incorporates themes from Epitope and Enteritis.