Vaccine Vigilance Working Group Meeting Records on AEFI Background Rates

• Agency: Public Health Agency of Canada
• Request Number: A-2024-000163
• Records Requested: In relation to ROD for the Vaccine Vigilance Working Group (VVWG) please provide the following information from the meetings identified below. - Jan 20, 2021- PHAC – Background rate calculations discussion - provide the national methodology, case definition and algorithms utilized by PHAC to define background rates - January 28, 2021 - Presentation by Catherine E. Dickson Submission of reports of death following receipt of Covid-19 vaccine to PHAC - Feb 11, 2021 - Presentation from McGill University "Vaccine Surveillance Reference Group/Covid-19 Immunity task force" - March 11, 2021- Notification email or notice from BC to PHAC. Notification regarding the high number of anaphylaxis events with the Covid-19 vaccines, including detailed data and lot numbers. - CAEFISS summary data and background data on - Get summary of Anaphylaxis events provided at the meeting for the P/T Pfizer-BioNTech Covid-19 vaccine lot number E - March 18, 2021 – point 3 action item Obtain HC definition of medically important event that was sent to the VVWG and the criteria used to classify their AEFl's as medically important events Obtain PHAC definition of serious medically important event that was sent to the VVWG Obtain information on the Advisor[y] Committee on Causality and Assessment (ACCA) - March 25, 2021 – Round table summary of responses labelled Appendix A - April 1, 2021 Weekly online covid-19 AEFI report sent to the VVWG members - CAEFISS Analysis weekly summary report containing data up to March 26, 2021 provided by Karin Johnson - Background Rates Update power point provided by Sarah Spruin - NCAI information - AstraZeneca Update Current Data related to younger adults complications from Covid-19 or risk of dying quite low – April 9, 2021 Lot number information for Covid-19 vaccines AEFIS with slide presentation given to VVWG, Karin Johnson (CAEFISS) will highlight the lots that have the highest rates of AEFl's on the document. Karin Johnson clarification about the BC anaphylaxis and life threatening rates that have been reported. - April 12, 2021- Natalie Abraham presentation "Thrombosis and Thrombocytopenia after Covid-19 vaccination in Canada" – get this presentation and presentation notes - April 15, 2021 - CAEFISS Analysis –PHAC will send VVWG an email with a breakdown of the top 3 serious AEFI rates by lot number- Karin Johnson - Get presentation from Advisory Committee on Causality Assessment (ACCA) provided to VVWG April 29, 2021 – Amanda Shaw presentation on myocarditis following Pfizer vaccine - NACI update on AZ recommendations. Kelsey Young presentation on NACI: Update of Benefit-risk assessment for recommendation on the use of AstraZeneca Covid-19 Vaccine. May 6, 2021 - Background Rates Update –Sarah Spruin - Group question- Yukon questioned Inflammatory flare-up of autoimmune disease, when not pre-existing in young people.
• Date Released: May 2025
• Notes: -

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