1. City of Hamilton Social and Public Health Services Department, Hamilton, Ontario, Canada;University of Alberta, Edmonton, Alberta, Toronto, Canada; ‡Ontario Ministry of Health and Long-Term Care, Toronto, Ontario, Canada;
2. City of Hamilton Social and Public Health Services Department, Hamilton, Ontario, Canada;
3. University of Alberta, Edmonton, Alberta, Toronto, Canada; ‡Ontario Ministry of Health and Long-Term Care, Toronto, Ontario, Canada;The National Center for Streptococcus, Edmonton, Alberta, Canada;
4. City of Hamilton Social and Public Health Services Department, Hamilton, Ontario, Canada;McMaster University, Hamilton, Ontario, Canada