Скачать или смотреть How Vaccine Works | Babygogo

Did you know how vaccines work? Or What does a vaccine contain?
You must have asked these questions. Well.. A vaccine has the organisms which cause the diseases.
We put these organisms in our body because they help us to fight the diseases.

Vaccine contains the weakened or dead form of actual organisms.
Our immune system recognises these organisms & then the B-cells of the immune system start making antibodies to fight against these organisms.

The antibodies are the soldiers of the body which kill these organisms.
So after fighting with these weak organisms our immune system learns how to kill them.
And if & when the actual attack happens, our immune system kills these organisms, thus protecting us from the infection.
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