Infectious Disease Data

The following data products provide access to statistics and information related to COVID-19 to assist with surveillance and reporting.

Provides aggregated infectious disease data that summarizes counts of reportable disease cases from January 1, 2005. Data is refreshed weekly from the integrated Public Health Information System (iPHIS). Access to ID Query is restricted and by request.

Collection of Invasive Group A Streptococcal Disease epidemiological summaries, which provide an overview of iGAS activity in Ontario. This page includes the most current report and historical reports.

Table of reportable disease incident counts by month, with counts and rates for the current year-to-month and the five-year historical average.

View historical summary surveillance information on respiratory virus activity in Ontario for previous respiratory seasons.

This tool provides comprehensive epidemiological information of respiratory virus activity in Ontario, including COVID-19, influenza and other respiratory viruses. Explore case trends, laboratory testing, and outbreaks, as well as COVID-19 outcomes and vaccination.

An interactive tool, which provides an epidemiological analysis of over 60 diseases of public health significance in Ontario from 2013-2022.

OUT-TB Web assists tuberculosis (TB) case management, investigation, and surveillance activities by public health units.

Integrated, up-to-date laboratory reports on gonorrhea and chlamydia for clinicians and management in public health units. Access to the tool is restricted to public health unit staff.

Interactive tool that provides vaccine safety surveillance data in Ontario by trends over time, age and sex, public health unit, type of vaccine and type of adverse event.

Weekly analyzed provincial mosquito, human and weather data with interactive graphs. Available every Wednesday during West Nile Virus (WNV) season.