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Old 28th November 2020, 12:31 PM   #3208
Tero
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Originally Posted by Capsid View Post
The Wiki text is not exactly correct. The vaccine is injected into muscle not the bloodstream. In the muscle, antigen presenting cells take up the vaccine and traffic via the lymphatic system to local lymph nodes where they present antigen to B and T cells.

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OK. Viruses spread through the body by blood, though?
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