Carla Duff is a pediatric nurse practitioner at the University of South Florida in St. Petersburg, Florida. Ms. Duff has 20 years experience in the care and treatment of patients with primary immunodeficiency diseases. She currently diagnosis and treats patients of all age groups with primary immunodeficiency diseases. She has served as a co-investigator on various research protocols regarding treatments and quality of life measures for patients and has been the recipient of four unrestricted research grants. Ms. Duff has been published over 40 times including multiple abstracts and publications in primary immune deficiency as well as co-authoring a nursing guide and subcutaneous immunoglobulin review. She has also been an invited presenter at multiple national and international conferences as well as society meetings. Ms. Duff is Adjunct Clinical Faculty at the University of South Florida College of Nursing. Ms. Duff is currently the president of the International Nurses Group in Immunodeficiency, immediate past chair of the Immune Deficiency Foundation Nurse Advisory Committee, the chair of the credentialing committee of the American Academy of Allergy Asthma and Immunology, a program committee member for the International Primary Immunodeficiencies Congress, and is a member the National Association of Pediatric Nurse Practitioners.