How is vaccine produced
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Answer:
The first step in order to produce a vaccine is generating the antigen that will trigger the immune response. ... 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)
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Answer:
it is produced by microorganisms
Explanation:
vaccine is a biological preparation that provides active acquired immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbe, its toxins, or one of its surface proteins.
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