COVID-19 Data and Surveillance

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.

Short-term projections of SARS-CoV-2, influenza, and respiratory syncytial virus activity, and risk of related severe disease among pediatric and adult populations.

This report summarizes the results of SARS-CoV-2 whole genome sequencing, including variants of concern (VOC) and variants of interest (VOI), conducted by the Ontario COVID-19 Genomics Network.

Find a description of vaccine uptake and immunization coverage over time, as well as by priority population, age and gender and public health unit.

Summary of COVID-19, influenza, and respiratory syncytial virus outbreak data among residents and staff in long-term care home and retirement home settings for the 2023-24 surveillance period.

This report provides an overview of COVID-19 wastewater signals in Ontario and sub-regions.

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.

Short-term projections of SARS-CoV-2, influenza, and respiratory syncytial virus activity, and risk of related severe disease among pediatric and adult populations.

This report summarizes the differences in hospitalizations and deaths between the time periods of August to October, 2022 and August to October, 2021.

This report focuses on severe outcomes by age among COVID-19 cases between waves 1-7. It presents the age distribution of hospital admissions and deaths for each wave, rate ratios for each outcome, and case fatality rates.

A descriptive analysis characterizing confirmed COVID-19 cases who were hospitalized or in the ICU because of COVID-19 or who died, as reported in CCM.

This epidemiological summary is part of a series presenting information on COVID-19 cases with a focus on outcomes resulting in hospitalization or death. It examines differences between waves 1, 2, 3, 4 and 5 as well as by age groups.

This report provides an overview of COVID-19 wastewater signals in Ontario and sub-regions.

Find a description of vaccine uptake and immunization coverage over time, as well as by priority population, age and gender and public health unit.

This report provides a summary of adverse events following immunization (AEFIs) for COVID-19 vaccines in Ontario reported to date.

This report describes confirmed cases of COVID-19 infection following COVID-19 vaccination.

This report describes the relationship between COVID-19 incidence and vaccination rates across Ontario neighbourhoods.

This report uses the Ontario Marginalization Index to explore trends in health-equity among people aged 18 years or older who have received at least one dose of the COVID-19 vaccine in Ontario.

The report describes the direct impacts of COVID-19 booster vaccinations on hospitalizations in Ontario.

This report summarizes the results of SARS-CoV-2 whole genome sequencing, including variants of concern (VOC) and variants of interest (VOI), conducted by the Ontario COVID-19 Genomics Network.

This interactive tool explores the evolution and spread of SARS-CoV-2 using genomic data produced and analyzed at Public Health Ontario. The tool is intended for genomics researchers and experts, epidemiologists, virologists and public health experts.

Recorded cases of SARS-CoV-2 Variant, BA.2.20, in Ontario from February 1st to April 20th. Data organized by: total cases, date, sex and age group, geography, border testing, severity, and vaccination status.

This report examines the risk of hospitalization and death among SARS-CoV-2 cases in Ontario infected with the Omicron sub-lineage BQ.1 compared to closely matched cases infected with the Omicron sub-lineage BA.5 between August 4 and December 28, 2022.

Summary of COVID-19, influenza, and respiratory syncytial virus outbreak data among residents and staff in long-term care home and retirement home settings for the 2023-24 surveillance period.

This report provides an epidemiological summary of COVID-19 cases in Ontario with a focus on neighbourhood material deprivation.

This report provides an epidemiological summary of COVID-19 cases in Ontario with a focus on neighbourhood material deprivation.

A summary of confirmed COVID-19 cases and outbreaks in long-term care homes in Ontario.