Environmental Sciences, asked by bkomb, 9 months ago

Who does vaccine work (answer in short)

Answers

Answered by Anonymous
7

Answer:

vaccine works by training the immune system to recognize and combat pathogens, either viruses or bacteria. To do this, certain molecules from the pathogen must be introduced into the body to trigger an immune response. These molecules are called antigens, and they are present on all viruses and bacteria.

Answered by sireesha36
0

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Hmmmmm..... all vaccines and medicines are made only by China........

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