Reply to: Perioperative use of cefazolin without preliminary skin testing in patients with reported penicillin allergy

Affiliations

• ¹ Department of Medicine, Division of Allergy and Clinical Immunology, McGill University, Montreal, Quebec, Canada; The Research Institute of the McGill University Health Centre, Division of Experimental Medicine, McGill University, Montreal, Quebec, Canada. Electronic address: chris.tsoukas@muhc.mcgill.ca.
• ² Department of Medicine, Division of Allergy and Clinical Immunology, McGill University, Montreal, Quebec, Canada; The Research Institute of the McGill University Health Centre, Division of Experimental Medicine, McGill University, Montreal, Quebec, Canada.
• ³ Department of Pharmacy, McGill University Health Centre, Montreal, Quebec, Canada.
• ⁴ The Research Institute of the McGill University Health Centre, Division of Experimental Medicine, McGill University, Montreal, Quebec, Canada; Department of Pediatrics, Divisions of Allergy, Immunology and Dermatology, McGill University, Montreal, Quebec, Canada.
• ⁵ Department of Anesthesia, McGill University Health Centre, Montreal General Hospital, Montreal, Quebec, Canada.