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What is the Significance of a High Cycle Threshold Positive IS481 PCR for Bordetella pertussis?

Waters, Valerie MD; Jamieson, Frances MD; Richardson, Susan E. MD; Finkelstein, Michael MD; Wormsbecker, Anne MD; Halperin, Scott A. MD

The Pediatric Infectious Disease Journal: December 2009 - Volume 28 - Issue 12 - p 1143-1144
doi: 10.1097/INF.0b013e3181bd506f
Letters to the Editor

Department of Pediatrics, Division of Infectious Diseases; Hospital for Sick Children; University of Toronto; Toronto, Canada (Waters)

Ontario Public Health Laboratories; Ontario Ministry of Health and Long-Term Care; University of Toronto; Toronto, Canada (Jamieson)

Department of Pediatric Laboratory Medicine, Division of Microbiology; Hospital for Sick Children; University of Toronto; Toronto, Canada (Richardson)

Toronto Public Health; Toronto, Canada (Finkelstein)

Department of Pediatrics; Children's Hospital, London Health Sciences Centre; University of Western Ontario; London, Canada (Wormsbecker)

Departments of Pediatrics and Microbiology & Immunology; Canadian Center for Vaccinology, IWK Health Centre; Dalhousie University; Halifax, Canada (Halperin)

© 2009 Lippincott Williams & Wilkins, Inc.