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Understanding mRNA COVID-19 Vaccines | CDC

A Nearer Seem at How COVID-19 mRNA Vaccines Perform

COVID-19 mRNA vaccines give directions for our cells to make a harmless piece of what is referred to as the “spike protein.” The spike protein is uncovered on the surface of the virus that causes COVID-19.

COVID-19 mRNA vaccines are presented in the upper arm muscle. As soon as the directions (mRNA) are inside of the muscle cells, the cells use them to make the protein piece. Right after the protein piece is produced, the cell breaks down the directions and gets rid of them.

Next, the cell shows the protein piece on its surface. Our immune programs recognize that the protein doesn’t belong there and start off developing an immune reaction and generating antibodies, like what happens in all-natural infection towards COVID-19.

At the close of the approach, our bodies have learned how to safeguard towards future infection. The profit of mRNA vaccines, like all vaccines, is those vaccinated gain this security with out at any time having to danger the severe outcomes of finding ill with COVID-19.