1. Ontario Ministry of Natural Resources, Rabies Research and Development Unit, Trent University, Science Complex, PO Box 4840, Peterborough, Ontario K9J 8N8, Canada
2. Ontario Ministry of Natural Resources, Wildlife Research and Development Section, 300 Water St., Peterborough, Ontario K9J 8N8, Canada
3. Canadian Food Inspection Agency, Ottawa Laboratory Fallowfield, PO Box 11300, Station H, Nepean, Ontario K2H 8P9, Canada