1. Ontario Group A Streptococcal Study
Population based surveillance since 1992 (population million)
Microbiology labs report all sterile site isolates to study office
Physicians/ICPs provide clinical information
Ontario Group A Strep Study, June 1999

2. Invasive group A streptococcal infections Ontario, Canada Jan ‘92 - Nov ‘00
Ontario Group A Strep Study, Jan. 2001

3. Group A Streptococcal Necrotizing Fasciitis Ontario, Canada, Jan ‘92 - Nov ‘00
1992
1993
1994
1995
1996
1997
1998
1999
2000
Ontario Group A Strep Study, Jan 2001