Adverse Events Following Immunization (AEFIs) for COVID-19 in Ontario: December 13, 2020 to September 11, 2022

Public Health Ontario This report provides a summary of adverse events following immunization (AEFIs) that are temporally associated (i.e., occur after receiving the vaccine) with receipt of COVID-19 vaccine and meet the provincial surveillance definitions (i.e., confirmed). It is important to note that AEFIs described in this report are defined as any untoward medical occurrences […]