COVID-19 viral vector-based vaccines (English, HTML)

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Publisher-reported update

2021-06-30

Two of the vaccines approved for use in Canada are viral vector-based vaccines: AstraZeneca and Janssen. These types of vaccines use a harmless virus (in this case, the adenovirus) as a delivery system. This vector virus is not the virus that causes COVID-19. You can't get COVID-19 from the vaccine itself.

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