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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

COVID-19 Data and Reports

Interactive Report

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

Webpage
Updated 26 Oct 2021

General Resources

About Coronavirus 2019

Contact Tracing Initiative

Laboratory Testing at PHO

Multilingual Resources

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Test Results - Ontario Health

Health Professionals

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Recently Published

Summary Report

This report summarizes reports of myocarditis/pericarditis that have been reported as adverse events following immunization (AEFIs) in Ontario following the receipt of a COVID-19 mRNA vaccine.

1.7 MB
Updated 21 Oct 2021

Surveillance Report

This quick epidemiological summary presents information on COVID-19 cases with a focus on outcomes resulting in hospitalization or death. It examines differences between waves 1, 2 and 3 over time, as well as by age groups.

1.2 MB
Published 12 Oct 2021

At a Glance

Explore the vaccine regulatory process in Canada, including changes taken by Health Canada to expedite the approval of potential COVID-19 vaccines while ensuring safety, effectiveness and quality are met. 

1.3 MB
Updated 21 Oct 2021

Focus On

An overview of how COVID-19 mRNA vaccines work, how they produce an immune response and key facts. Includes information about mRNA vaccines authorized or under regulatory review for use in Canada.

1.5 MB
Updated 20 Oct 2021

Focus On

This Focus On will review the evidence for the infectiousness of Delta breakthrough cases and considerations for enhancing case and contact management for fully vaccinated cases.

850 KB
Published 10 Sep 2021

Evidence Brief

Explore current evidence surrounding COVID-19 vaccination and fertility.

1.2 MB
Published 13 Sep 2021
Event

PHO Rounds: Impact of the COVID-19 Pandemic on Routine Immunizations in Alberta

Using population-based administrative data, the presenters examine the impact of the pandemic by comparing routine vaccine coverage before and during the pandemic in Alberta, Canada.

See the Event Details

Related Information

External Resources

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Contact the Department

Communicable Diseases, Emergency Preparedness and Response

cdepr@oahpp.ca

Updated 26 Oct 2021
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