If You’ve Never Had COVID, Should You Relax or Worry?



Does the mRNA vaccine work?

COVID vaccines are now


Some vaccines for COVID-19

are mRNA vaccines, but what

What does this mean?

mRNA vaccines

different from traditional


mRNA vaccines don’t put you at risk

instead of any real virus,

they are made with messenger

Ribonucleic acid or mRNA.

This is the type of molecule

gives instructions to the cage

for how to make different kinds


mRNA molecules

a natural part of our cells

and how our bodies work.

The researchers worked

with mRNA vaccines

for many years.

They are easier to make

and safe in the lab

then a vaccine using


Because of this, they can also

do it faster.

mRNA vaccines COVID-19

passed many tests in laboratories

and in thousands of people

and meet strict standards

from the FDA.

So how do these vaccines work?

First, an mRNA vaccine against COVID-19.

Injected into the muscle

in your shoulder.

Some muscle cells accept mRNA

instructions for the vaccine

and make a harmless piece

a protein called

spike protein.

This protein is found

outside SARS-CoV-2

the virus that causes COVID-19.

The muscle cells are then destroyed.

instruction on how to do

spike protein.

mRNA never disappears

into the nuclei of your cells,

where your DNA is stored.

The newly made spike protein is now

sitting on the surface

of muscle cells.

Your immune system senses

spike protein

as an external threat to destroy,

starts producing antibodies

fight something

with this spike protein on it.

It will help your body

the immune system recognizes

and fight the real virus if it

will ever appear.

It’s like getting to know someone

by the hat they wear.

Then your body

ready to detect COVID-19

and fight it before it grows

in the cells of your body.

Quick Facts to Remember

about COVID-19 mRNA vaccines.

They help get your body

ready to fight COVID-19

virus before it makes you sick,

they don’t use

any live, dead or weak virus,

they can’t give you COVID-19,

they don’t affect your DNA.

Want to know more

go to cdc.gov for more

information about mRNA vaccines.

You can also learn more about

how vaccines were approved

at fda.gov.



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