Article Information
Author Information
- David M. Patrick
- Dr. Patrick is Director, Communicable Disease Epidemiology, BC Centre for Disease Control, Vancouver, BC.
- Correspondence to:
Dr. David Patrick, Director, Communicable Disease Epidemiology, BC Centre for Disease Control, 655 12th Ave., W, Vancouver BC V5Z 4R4; fax 604 660-0197; david.patrick{at}bccdc.ca