1. Canadian Field Epidemiology Program, Public Health Agency of Canada, Ottawa, Ontario, Canada
2. Department of Health, Queen Elizabeth Hospital, Prince Edward Island, Canada
3. Communicable Disease and Immunization Programs, Department of Health, Queen Elizabeth Hospital, Prince Edward Island, Canada
4. Laboratory Services, Queen Elizabeth Hospital, Prince Edward Island, Canada
5. Molecular and Immunodiagnostics Section, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada
6. Community Acquired Infections Division, Public Health Agency of Canada, Canada
7. Blood Safety Surveillance and Health Care, Acquired Infections Division, Public Health Agency of Canada, Ottawa, Ontario, Canada