Messenger RNA (mRNA) vaccines

“Messenger RNA (mRNA) vaccines, which have never been licensed for use in humans, inject cells with mRNA, usually within lipid nanoparticles, to stimulate cells in the body to become manufacturers of viral proteins. … mRNA vaccines have potential safety issues, including local and systemic inflammation and stimulation of auto-reactive antibodies and autoimmunity, as well as development of edema (swelling) and blood clots.”

Pfizer and BioNTech Begin Human Clinical Trials of COVID-19…

Pfizer and BioNTech begin clinical trials of their experimental vaccine for COVID-19.