Archive of Adverse Events Following Immunization (AEFIs) for COVID-19 in Ontario

This page provides previously published versions of PHO’s Adverse Events Following Immunization (AEFIs) for COVID-19 in Ontario, which include a summary of AEFIs that are temporally associated (i.e., occur after receiving the vaccine) with receiving a COVID-19 vaccine for a specific point in time.

This archived content is being made available for historical research and reference purposes only. PHO is no longer updating this content and it may not reflect current data or information. These reports only contain information that was available at the time of publishing.

For current COVID-19 data and surveillance information, please refer to our COVID-19 Data and Surveillance page.

To explore COVID-19 data and trends over the entire COVID-19 pandemic (i.e. February 2020 onward), please visit our interactive COVID 19 Data Tool.

 

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Updated 11 Oct 2022