What are vaccines? Why vaccines are administered?
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2
Answer:
A vaccine is a biological preparation that provides active acquired immunity to a particular infectious disease.
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3
Answer:
vaccine are made using the decrease causing by bacteria or virus, but in the form that will not harm the human beings. vaccine is made from dead or weak and microbes are there toxins. vaccine stimulates the immune system to produce our body to fight against diseases due to this reason the vaccines are administrator
Explanation:
vaccines are some and don't like substances which acts on the various diseases like virus,viral diseases ,bacterial diseases ,protozoal diseases. just like now in covid-19 coronavirus is there. and vaccine like co-vaccine and covshield are vaccine on it.
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