Susan Tarlo




Dr. Susan Tarlo is a respiratory physician with main clinical and research interest in respiratory allergic responses, and occupational respiratory diseases. She has a primary appointment at the University Health Network, Toronto Western Hospital, with a cross appointment at St. Michael’s Hospital, and has clinical activities at both sites. She has research appointments at the Li Ka Shing Knowledge Institute of St. Michael’s Hospital and the Institute of Medical Sciences, University of Toronto. She is also a Professor in the Department of Medicine, University of Toronto with a cross-appointment at the Dalla Lana School of Public Health. She is a member of the Centre for Research Excellence in Occupational Diseases, St Michael’s Hospital.

She has over 200 peer-reviewed publications, mostly in the area of occupational and allergic respiratory diseases, especially work-related asthma. Recent research has included a focus on prevention of work related asthma. She has also authored the chapter on occupational lung diseases in Cecil Textbook of Medicine 24th-26th editions, was first author of a review of occupational asthma in the New England Journal of Medicine, and has co-authored the BMJ Point-of Care Epocrates web monograph on occupational asthma since 2009, with yearly updates. She has given the 2012 Canadian Thoracic Society Christie Lecture and was the 2015 Mastromatteo Orator for the Occupational and Environmental Medical Association of Canada. She was given the 2018 John Peters award of the American Thoracic Society, for outstanding contributions to occupational or environmental medicine.

Recent Publications

  1. Agache, I, Antolin-Amerigo, D, de Blay, F, Boccabella, C, Caruso, C, Chanez, P et al.. EAACI position paper on the clinical use of the bronchial allergen challenge: Unmet needs and research priorities. Allergy. 2022; :. doi: 10.1111/all.15203. PubMed PMID:34978085 .
  2. Tarlo, SM. Time for Action on Cleaning and Disinfecting Agents. J Allergy Clin Immunol Pract. 2021;9 (6):2366-2367. doi: 10.1016/j.jaip.2021.03.013. PubMed PMID:34112479 .
  3. McGarvey, L, Rubin, BK, Ebihara, S, Hegland, K, Rivet, A, Irwin, RS et al.. Global Physiology and Pathophysiology of Cough: Part 2. Demographic and Clinical Considerations: CHEST Expert Panel Report. Chest. 2021;160 (4):1413-1423. doi: 10.1016/j.chest.2021.04.039. PubMed PMID:33905678 PubMed Central PMC8692102.
  4. Tarlo, SM. Lessons from Occupational Eosinophilic Bronchitis. J Allergy Clin Immunol Pract. 2021;9 (2):945-946. doi: 10.1016/j.jaip.2020.10.008. PubMed PMID:33551044 .
  5. Carlsten, C, Gulati, M, Hines, S, Rose, C, Scott, K, Tarlo, SM et al.. COVID-19 as an occupational disease. Am J Ind Med. 2021;64 (4):227-237. doi: 10.1002/ajim.23222. PubMed PMID:33491195 PubMed Central PMC8014565.
  6. Cao, X, Bradley, TD, Bhatawadekar, SA, Saha, S, Tarlo, SM, Stanbrook, MB et al.. Effect of Simulated Obstructive Apnea on Thoracic Fluid Volume and Airway Narrowing in Asthma. Am J Respir Crit Care Med. 2021;203 (7):908-910. doi: 10.1164/rccm.202012-4321LE. PubMed PMID:33428855 .
  7. Garrido, AN, House, R, Lipszyc, JC, Liss, GM, Holness, DL, Tarlo, SM et al.. Cleaning agent usage in healthcare professionals and relationship to lung and skin symptoms. J Asthma. 2021; :1-9. doi: 10.1080/02770903.2021.1871740. PubMed PMID:33402006 .
  8. Henneberger, PK, Patel, JR, de Groene, GJ, Beach, J, Tarlo, SM, Pal, TM et al.. The effectiveness of removal from exposure and reduction of exposure for managing occupational asthma: Summary of an updated Cochrane systematic review. Am J Ind Med. 2021;64 (3):165-169. doi: 10.1002/ajim.23208. PubMed PMID:33373055 PubMed Central PMC7932026.
  9. Lau, A, Tarlo, SM. Work-Related Upper-Airway Disorders. Clin Chest Med. 2020;41 (4):651-660. doi: 10.1016/j.ccm.2020.08.001. PubMed PMID:33153685 .
  10. Lee, KK, Davenport, PW, Smith, JA, Irwin, RS, McGarvey, L, Mazzone, SB et al.. Global Physiology and Pathophysiology of Cough: Part 1: Cough Phenomenology - CHEST Guideline and Expert Panel Report. Chest. 2021;159 (1):282-293. doi: 10.1016/j.chest.2020.08.2086. PubMed PMID:32888932 PubMed Central PMC8640837.
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Affiliations & Other Activities

  • Staff Physician, Department of Medicine, Respiratory Division with cross appointment Occupational Medicine Division and Division of Allergy and Clinical Immunology, UHN (primary location, Toronto Western Hospital) and cross appointment to St Michael’s Hospital
  • Professor, Department of Medicine, University of Toronto
  • Professor, Dalla Lana School of Public Health, University of Toronto