“ mRNA vaccines teach our cells how to make a protein—or even just a piece of a protein—that triggers an immune response inside our bodies. The benefit of mRNA vaccines, like all vaccines, is those vaccinated gain protection without ever having to risk the serious consequences of getting sick with COVID-19.”
https://www.cdc.gov/coronavirus/2019-ncov/vaccines/different-vaccines/mRNA.html?s_cid=11344:how%20do%20mrna%20vaccines%2 0work:sem.ga
:RG:GM:gen:PTN:FY21
“ Contrary to claims on social media, COVID-19 vaccines using messenger RNA (mRNA) technology do not transform recipients from humans into “hybrids,” nor do they alter human DNA through nanotechnology. The Pfizer-BioNTech and Moderna vaccines use a new mRNA technology involving the injection of a small part of the virus’s genetic code (RNA) to stimulate the recipient’s immune response. The mRNA does not alter the recipient’s DNA; it is broken down shortly after vaccination, and does not stay in the body.”
https://mobile.reuters.com/article/amp/idUSL1N2M61HW