A postdoctoral position is immediately available to study a new class of regulators in T cell development, activation, and tolerance, regulatory T cells and pathogenesis of autoimmune diseases, immune responses to pathogens and cancer, and pathogenesis of human primary immunodeficiency. The project will integrate animal models with molecular, immunological, and biochemical approaches. Interested candidates should have a Ph.D. in Immunology or other biomedical fields. To apply, please send curriculum vitae and contact information for 3 references by email to: Dr. Xiaoping Zhong, Department of Pediatric Allergy and Immunology, Duke University Medical Center, Durham, North Carolina, 27710. Email: firstname.lastname@example.org.