Infectious diseases are caused by pathogenic microorganisms, such as bacteria, viruses, parasites or fungi. These diseases can be acquired from another person, through fluid exchange or exposure to vectors, or from the environment. Public Health Ontario provides public health and health care partners with information, tools, and resources for the prevention and control of infectious diseases including:
Areas of expertise include immunization and vaccine-preventable diseases; enteric, zoonotic and vector-borne diseases; and a wide range of infection prevention and control programs for health care and long-term care settings.
This report summarizes the 2016 data on the vectors that transmit West Nile Virus (WNV), eastern equine encephalitis virus (EEEV) and Lyme disease in Ontario.
This guidance document provides information to support health care providers to work with local public health units to appropriately manage persons with suspected rabies exposures.
These documents highlight key information about echinococcus
Click on an infectious disease below for information, resources, research, laboratory testing information and related links.
Provides access to statistics and information related to reportable infectious disease for Ontario and its 36 public health units.
Go to the Snapshots web page
This set of routine and annual reports provide data and trends related to different infectious diseases, antimicrobial resistance and immunization.
View all Surveillance Reports
This interactive tool provides data from the last ten years and allows you to search, customize and export your results.
View Reportable Disease Trends in Ontario
All upcoming events related to infectious diseases are listed below.Or check out past presentations.
View all events
Know who to contact, by disease:Reportable disease contact list