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Re: SARS-CoV-2 coronavirus, COVID-19, and Vaccines undopaminergic

Posted by SLS on May 20, 2021, at 14:40:34

In reply to Re: SARS-CoV-2 coronavirus, COVID-19, and Vaccines SLS, posted by undopaminergic on May 20, 2021, at 11:52:50

> > > I didn't quite understand the difference between a vector vaccine and an mRNA vaccine. It seems both of them inject a part of the Corona-virus into body cells?
> > >
> > > -undopaminergic
> > >
> >
> >
> > mRNA Vaccine: Insert the antigen mRNA into a body cell. The cell is instructed by the mRNA to manufacture large huge amounts of an antigen and then release it into the blood stream.
> >
> > Vector Vaccine: Transplant or stitch the antigen DNA into a harmless adenovirus. This virus is the vector. Once the adenovirus penetrates a body cell, the DNA enters the nucleus of the cell and is instructed to manufacture an antigen and express it (build it) on the surface of the cell membrane.
> >
> How does the mRNA get inserted into the body cell? Since there is no vector?
> -undopaminergic

Your question is the result of my unfortunate use of the word "inserted". The vaccine contains snippets of mRNA that code for the antigen protein - a small section of the spike protein. This mRNA makes its way into the muscle cells surrounding the injection site, whereupon the cells beome antigen factories. I don't know if it's an active uptake or osmosis.

- Scott

Some see things as they are and ask why.
I dream of things that never were and ask why not.

The only thing necessary for the triumph of evil is that good men do nothing.




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