Health

What does the Pfizer vaccine do?


Horizon says mRNA “essentially puts DNA instructions into action”.

The mRNA contains instructions to make the “spike” protein of Covid-19, which is introduced into the body as foreign material.

In response to these proteins, the body’s immune pathways are activated, creating a response that offers protection if you were to encounter the vaccine yourself.

In the case of the Pfizer vaccine, researchers synthesised a form of mRNA that will “cause our own cells to male a viral protein” from Covid-19, reports the New York Times.





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