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Coronavirus Disease 2019 (COVID-19)

Coronavirus Disease 2019 (COVID-19)

Public Health Ontario provides scientific and technical advice to the Ministry of Health, local public health units and other health system partners to support COVID-19 response efforts. This includes:

  • conducting laboratory testing and providing advice on evolving testing technologies and approaches
  • surveillance of cases and epidemiological data analysis and reporting
  • providing advice to support developing public health guidance, decision-making and program and service delivery
  • generating reports summarizing scientific evidence and best practices
  • infection prevention and control training, guidance and support
  • outbreak management advice and support
  • contact tracing training and implementation of various supports to local public health units
  • scientific and technical advice, resources and surveillance to support the implementation of COVID-19 vaccine programs

Learn about COVID-19 in Ontario including, signs and symptoms, how is it spread, public health measures, testing and vaccination.

Webpage
Updated 19 Oct 2022

Interactive Report

Explore confirmed COVID-19 data in Ontario by: case trends over time including hospitalizations and deaths, age and sex, public health unit, outbreaks, laboratory testing and vaccines.

Webpage
Updated 2 June 2023

General Resources

Data and Surveillance

Daily Scan of Public Health Organizations

Emerging Topics: Synopsis of Key Articles

Variants of Concern (VOCs)

Health Professionals

Dental

Health Care

Health Equity

Laboratory Testing at PHO

Public Health Measures

Vaccines

Settings

Congregate Living

Long-Term Care

Schools and Related Settings

Workplace

Recently Published

Evidence Brief

This evidence brief is a new EB / risk assessment report and summarizes available evidence on the CH.1.1 sub-lineage relevant to Ontario.

1.3 MB
Updated 10 Feb 2023

Surveillance Report

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

2.4 MB
Updated 31 March 2023

Surveillance Report

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.

4.8 MB
Updated 30 May 2023

Evidence Brief

This evidence brief updates previous Public Health Ontario (PHO) reports and summarizes available evidence on the XBB* sub-lineage relevant to Ontario.

1.4 MB
Updated 3 Feb 2023

Synthesis

Explore evidence examining the risk of various cardiovascular outcomes following COVID-19 infections.

1.8 MB
Published 26 Jan 2023

Evidence Brief

This evidence brief updates previous Public Health Ontario (PHO) reports and summarizes available evidence on the XBB sub-lineage relevant to Ontario.

1.4 MB
Updated 13 Jan 2023
Event

PHO Rounds: The Geography of Sex: Men Who Have Sex With Men in the Suburbs

Presenters explored how MSM who lived, worked or socialized in the suburbs navigated their sexual lives and sexual health.

See the Event Details

Related Information

External Resources

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Contact the Department

Health Protection

healthprotection@oahpp.ca

Updated 12 June 2022
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