Question

How is a vaccine produced .

Answer 1

Answer:

Vaccines are made by taking viruses or bacteria and weakening them so that they can't reproduce (or replicate) themselves very well or so that they can't replicate at all. Children given vaccines are exposed to enough of the virus or bacteria to develop immunity, but not enough to make them sick.

Explanation:

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Answer 2

Answer:

Hola!

Here is your answer_______☺️

A vaccine can be prepared by any one of the following four methods

1. Using Killed germs: Ex. TAB vaccine for typhoid.

2. Using living weakened germs: ex. the vaccine for measles.

3. Using fully virulent germs: ex. the vaccine for small pox.

4. Using Toxoids : They are vaccine used for diptheria and tetanus

Hope it helps you

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