Question

what happens in our blood when we re-encounter the microorganisms against which we have been immunised?​

Answer 1

Hy here is your Ans.....

• Vaccines containing these weakened or killed germs are introduced into your body, usually by injection. Your immune system reacts to the vaccine in a similar way that it would if it were being invaded by the disease — by making antibodies.

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Answer 2

Answer:

Vaccines containing these weakened or killed germs are introduced into your body, usually by injection. Your immune system reacts to the vaccine in a similar way that it would if it were being invaded by the disease — by making antibodies.