Immunologist Explains Why Many Canadians Report More Intense Response to 2nd COVID-19 Vaccine Dose


The Director of the Neuro-Immunology, Stress, and Endocrinology (NISE) Laboratory at the University of Ottawa, says everyone’s immune system responds differently to vaccines, which is the reason so many varying side effects are reported. Mixing and matching vaccines could also spark a more intense reaction for some Canadians. On the other hand, Health Canada’s report on COVID-19 vaccine side effects shows 79.1% of adverse events are reported by women compared to 11.6% by men.

Abstract Written By:
Laura Woodman
July 9, 2021

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