Question

what are vaccine? How does it work? ​

Answer 1

Answer:

Vaccines give you immunity to a disease without you getting sick first. They are made using killed or weakened versions of the disease-causing germ or parts of the germ (called antigens). For some vaccines, genetic engineering is used to make the antigens used in the vaccine.

Answer 2

Answer:

This star so your possession .

Explanation:

I hope you are understood.

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