Determine the incidence and epidemiologic characteristics of invasive disease due to TIBDN pathogens.
Data is collected from interviews with patients and review of health records.
Surveillance area for population based studies is Metropolitan Toronto and the Region of Peel (population ~4 milion).
Testing and typing information for TIBDN pathogens.
Eligible cases are actively reported by the participating laboratories.
To ensure that all eligible surveillance cases are being reported, annual audits of reporting laboratories are performed.