Clip

How COVID-19 spreads in the body
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14:31 - 16:29 (01:57)

The virus spreads through an infection in the body, leading to the production of numerous copies of the virus, which are then released through coughing and spitting. Systemic infections don't typically occur, but the virus can remain on the nose or mouth where immune protectiveness against it does not occur and where the vaccine can provide protection.

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