COVID-19 Data and Surveillance

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.

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 daily report provides an epidemiological summary of COVID-19 activity in Ontario to date.

This weekly report provides an epidemiological summary of weekly COVID-19 activity in Ontario over time.

This report provides a summary of the case counts of COVID-19, likely source of acquisition, and the timeliness of testing and investigation in Ontario with breakdowns by health region and public health unit.

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

The number of COVID-19 confirmed cases in Ontario is summarized on epidemic curves by region, age group, and gender. The reproduction number and doubling time by region is also provided.

This report provides a focused analysis of confirmed COVID-19 cases among vaccinated long-term care home and retirement home health care workers and residents in Ontario.

An archived collection of weekly reports that provided an epidemiological summary of COVID-19 activity in Ontario.

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

PHO is using serosurveillance to better understand what proportion of the Ontario population has COVID-19 antibodies and to identify hot spots and high risk groups.

This report includes estimates of the incidence, prevalence, and growth of SARS-CoV-2 variants in Ontario based on mutation profiles (N501Y and E484K).

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.

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 report provides a summary of confirmed adverse events following immunization (AEFIs) managed as anaphylaxis that occurred following a COVID-19 vaccines in Ontario.

An epidemiologic summary of cumulative confirmed COVID-19 outbreaks and outbreak-associated cases in Ontario by setting, from February 16, 2020 to December 26, 2020.

This report provides a focused analysis on confirmed outbreaks in elementary and secondary schools in Ontario from August 30, 2020 to March 13, 2021, as well as cases associated with these outbreaks.

Descriptive summary of COVID-19 variant of concern cases circulating in Ontario.

A focused analysis of transmission patterns, testing strategy, case detection and severe outcomes of COVID-19 cases in Ontario. We review changes over time within the context of key public health measures.

An analysis of COVID-19 case characteristics among health care workers including trends, geography and severity.

This report combines individual case data with neighbourhood-level data on socio-economic status to assess how COVID-19 impacts Ontario neighbourhoods differently.

This report provides a focused analysis of confirmed COVID-19 cases and outbreaks reported among long-term care home (LTCH) residents and health care workers (HCW) in Ontario.

This report provides a focused analysis of the severity of illness among reported laboratory-confirmed COVID-19 cases in Ontario from January 15 to May 14, 2020.

This report provides estimates of the proportion of infections that are identified as cases in Ontario by age group, up to May 17, 2020.

This report explores neighbourhood-level trends among laboratory-confirmed COVID-19 cases in Ontario who do not reside in long-term care, from a health equity perspective. The report uses data from January 15 to May 14, 2020.

An analysis of COVID-19 infection among reported laboratory-confirmed cases in children in Ontario from January 15, 2020 to March 11, 2021.