Question

How is vaccine producer​

Answer 1

Explanation:

Viruses are grown on primary cells such as cells from chicken embryos or using fertilised eggs (e.g. influenza vaccine) or cell lines that reproduce repeatedly (e.g. hepatitis A) Bacteria are grown in bioreactors which are devices that use a particular growth medium that optimises the production of the antigens.

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Answer 2

Vaccines are produced by taking the dead microbe of the same type , that causes diseases. They are then injected in a child's body so that his immune system can identify the type of microbe and start developing measures to kill it if it enters the body