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AstraZeneca
June 23 2021 8:58am

How COVID-19 vaccines work

Quebec says more people aged 18-39 years old need to get their COVID-19 shot in order to achieve immunity and regain our freedoms. But many are reluctant to get the jab because they say they don’t understand how vaccines work. Global’s Gloria Henriquez explains how the three COVID-19 vaccines available in Canada work.

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