Health
What exactly is the Pfizer vaccine, who will get it, and is it safe? – Telegraph.co.uk
Here is what you need to know about the coronavirus jab approved for use in the UK
How does the vaccine work, and how is it administered?
The Pfizer vaccine is an entirely new kind of jab. While the Oxford vaccine uses an inactive cold virus to produce the coronavirus spike protein the little stick on the outside of the virus which allows it to attach to human cells the Pfizer vaccine carries messenger RNA which instructs the bodys own cells to build the coronavirus spike protein.
Once the body starts producing these proteins, the immune system sees them as foreign, and initiates…
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