About COVID-19

This page provides links to key government resources for information on the evolving COVID-19 situation in Ontario.

COVID-19 is an illness caused by the SARS-CoV-2 virus. It was first identified in late 2019 and declared a global pandemic by the World Health Organization on March 11, 2020.

COVID-19 Resources

Visit the Government of Ontario website or your local public health unit for information on:

COVID-19 Vaccines

Safe and reliable vaccines are an effective way to reduce the impact and spread of COVID-19.
Please visit the Government of Ontario COVID-19 vaccine program page for help with: 

For all other vaccine-related questions, please contact your health care provider or local public health unit. You can look up your local public health unit here: https://www.phdapps.health.gov.on.ca/PHULocator/


PHO Rounds: Tuberculosis Contact Investigation: Principles and practice

This PHO Rounds will review the principles of TB contact investigation, including transmission risk assessment, prioritizing follow-up based on the source case’s likely infectiousness, the nature of the exposure(s), and factors that increase immunologic vulnerability of exposed individuals to TB disease.

See the Event Details
Updated 19 Oct 2022