COVID-19 Vaccines

Immunization is widely recognized as one of the most effective interventions for reducing the impact of infectious diseases.

As safe and effective COVID-19 vaccines are approved for use and become available, Public Health Ontario (PHO) is working very closely with the Ministry of Health, local public health units and other health system partners to provide scientific expertise, data and resources for the successful implementation of COVID-19 vaccine programs.

PHO is actively monitoring, reviewing and assessing relevant research related to COVID-19 vaccines. Please visit the Synopsis of Key Articles webpage to find summaries of new articles on COVID-19 vaccines.

This page will be updated as more information becomes available.

How to report an adverse event following COVID-19 vaccine

  1. Complete an AEFI Reporting Form
  2. Send it to your local public health unit 

Having trouble opening PDF forms? Download and save the form directly onto your device.

COVID-19 Vaccine Information for Individuals

Questions about the COVID-19 vaccine, please visit the Government of Ontario’s website for more information. Individuals who still have a red and white health card, or who require assistance with booking, can call the Provincial Vaccine Information Line number at 1-888-999-6488. If you have additional questions, you may also contact your local public health unit

Vaccine receipt/certificate

If you did not receive a vaccine receipt in person or by email please call the Provincial Vaccine Information Line at 1-888-999-6488 (TTY 1-866-797-0007) or contact your local public health unit.




PHO Microbiology Rounds: CRISPR Diagnostics for Tackling Antimicrobial Resistance

This PHO Microbiology Rounds will present on new diagnostic sensors at the interface of cell-free synthetic biology, next generation micro/nanoscale sensing systems, and engineering design for clinical and commercial translation.

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Immunization and Emergency Preparedness

Updated 17 June 2021