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The Lung Association has two societies of healthcare professionals committed to promoting the respiratory health of Ontarians through research, education and practice – the Ontario Thoracic Society (OTS) and the Ontario Respiratory Care Society (ORCS).

Membership in the Ontario Respiratory Care Society (ORCS) is open to nurses, physiotherapists, respiratory therapists, pulmonary function technologists, occupational therapists, social workers, pharmacists, dietitians, kinesiologists, and others involved in various aspects of respiratory care.


Membership in the Ontario Thoracic Society (OTS) is open to physicians and researchers with an interest in respiratory medicine, including residents and fellows in training.