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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.

4.7 MB
Updated 6 June 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

Related Information

External Resources

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Contact the Department

Health Protection

healthprotection@oahpp.ca

Updated 12 June 2022
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