Dr. Hu serves as the Department of Medicine’s medical director for its Center for Asthma, Allergy and Clinical Immunology at the USC University Hospital and its ambulatory practice. Dr. Hu’s areas of interests include common allergy-related problems, such as asthma and allergic rhinitis, as well as rare disorders of the immune system. His research has focused on the role of pulmonary function testing in the evaluation of asthma control. His other clinical interests include food allergies, urticaria, hereditary angioedema, and primary immunodeficiencies. In his new role as medical director of the Center for Asthma, Allergy and Clinical Immunology, Dr. Hu is dedicated to expanding the diagnosis and treatment options for patients with allergies and immunodeficiency disorders.