Dr. Leo is an Assistant Research Scientist in the Division of Health Behavior and Education and Center for Managing Chronic Disease. His research interests involve the impact of allergic diseases such as asthma, food allergies, and atopic dermatitis in the pediatric population and community. He is currently a practicing pediatric allergist and immunologist and member of the University of Michigan Pediatric Asthma Disease Management Program whose goal is to improve emergency room utilization and family education regarding acute life threatening asthma.
Fellowship, Pediatric Allergy and Immunology, National Jewish Medical and Research Center, 2004
Residency, Pediatrics, University of Wisconsin Hospital and Clinics, 2002
M.D., Tulane University School of Medicine, 1999
B.S., Biological Sciences, University of Notre Dame, 1994
Research Interests & Projects
Dr. Leo's current research interests are in addressing the emerging issues of food allergies in the childcare and school setting. He initiated and coordinated the Ann Arbor School District's Food Allergy Planning Commission which involved implementing a district wide food allergy response and plan for a district serving over 16,000 children. This has developed into educating and guiding accredited childcare facilities in appropriate and systemic approaches to food allergies. He is working with the Department of Health and Human Services on a possible national approach to the childhood food allergy issue. Also, Dr. Leo is working within the Center for Managing Chronic Disease on a Dissemination of Asthma Education in Elementary Schools in Beijing, China. This had lead to further investigation of characteristics of sudden onset of severe asthma in Chinese children and implementing community based treatment algorithms.
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Dreskin, SC, Ayars, A, Jin Y, Atkins, FD; Leo HL, Song B. (2011). Genetic variants of CD14 are associated with peanut allergy and elevated IgE levels in peanut allergic subjects. Ann Allergy Asthma Immunol, 106(2), 170-2.
Dreskin SC, Tripputi MT, Aubrey MT, Mustafa SS, Atkins D, Leo HL, Song B, Schlichting D, Talwar H, Wang Q, Freed BM. (2010). Peanut-allergic subjects and their peanut-tolerant siblings have large differences in peanut-specific IgG that are independent of HLA class II. Clin Immunol, 137(3), 366-73.
Clark NM, Houle C, Partridge MR, Leo HL, Paton JY (2010). The puzzle of continued use of nebulized therapy by those with asthma Chron Respir Dis, 7(1), 3-7.
Houley C, Clark NM, Leo HL (2010). Improving Food Allergy Awareness in Childcare and School Settings Curr Allergy Asthma Rep, 10(5), 381-6.
Leo HL, Singer D, Clark S, Davis M, Clark NM (2009). H1N1 and Seasonal Influenza Vaccination in Asthmatic Children in 2009 J Allergy Clin Immunol, 126(1), 166-8.
Leo, H.L., Dombkowski, K., Clark, N.M. (2008). The Economic Impact of the HFA Transition in Childhood Asthma Journal of Allergy and Clinical Immunology, 121(3), 776-777.
Leo, H.L., Clark, N.M. (2007). Management of Food Allergies in Childcare and Schools. Current Allergy and Asthma Report, 7(3), 187-191.
Cabana, M., Slish, K., Nan, B., Leo, H.L., Bratton, S., & Dombkowski, K. (2006). Utilization and Outcomes Associated with Spirometry for Pediatric Asthma. Pediatrics, 118(1), 151-156.
Leung, D., Jain, N., & Leo, H. (2003). New Concepts in the Pathogenesis of Atopic Dermatitis. Current Opinion in Immunology, 15, 634-638.
American Academy of Allergy Asthma and Immunology
American Academy of Pediatrics