Geography, asked by rajkumarvema011, 2 months ago

€ 0200 किस उडते बार्शय वन माह?​

Answers

Answered by adyarashmi94
0

Explanation:

Vaccines are made up of whole bacteria or virus, or parts of them, often a protein or sugar. These active components of the vaccine, called antigens, are what trigger an immune response when in the body

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