Which vaccines contain the mRNA?
Pfizer and Moderno.
Pfizer and Moderna are mRNA
But the other two, Aztrazeneca and J&J have marked blood clot issues. In the EU, about 17 countries halted the administration but were over-ruled by their Faucists.
Moderna and Pfizer
“Which vaccines contain the mRNA?”
They all do. The delivery packages differ.
Pfizer & Moderna encapsulate the mRna in a lipid envelope.
J&J and AZ hijacks a Adenovirus cell to deliver the mRNA.
For example. J&J
https://www.nytimes.com/interactive/2020/health/johnson-johnson-covid-19-vaccine.html
” The adenovirus pushes its DNA into the nucleus. The adenovirus is engineered so it can’t make copies of itself, but the gene for the corona virus spike protein can be read by the cell and copied into a molecule called messenger RNA, or mRNA.”