No ‘elevated risk’ of stroke from Pfizer’s bivalent COVID shot, Health Canada says – GLOBAL

January 29, 2023

Recent data from one U.S. Centers for Disease Control and Prevention (CDC) database has detected a potential stroke risk link in older adults who received an updated Pfizer COVID-19 bivalent shot. However, according to Health Canada (HC) there is currently “no indication” connecting mRNA bivalent vaccines with ischemic strokes.

Ischemic stroke is the most common type of stroke, according to Health Canada’s website. It involves a sudden loss of brain function triggered by a sudden brain blood vessel blockage. This can be caused by a variety of reasons, including smoking, high blood pressure, obesity, diabetes and high blood cholesterol.

Although Health Canada and the Public Health Agency of Canada (PHAC) “are aware” of the recent announcement on the “possible preliminary COVID-19 vaccine safety signal between the Pfizer-BioNTech bivalent COVID-19 vaccine and strokes in people aged 65 and over,” the agency pointed out that “at this time, the CDC is not recommending any changes to vaccination practices.”

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