4 points on 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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Explanation:
it s made by toxin and inactiving chemical (toxin) and change viruses blueprint (genes) , this is way of producing rubella and other viruses .
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