what is vaccination??
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.#fullyvaccinated
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Answered by
2
Answer:
injection who fight against virus is called vaccination
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1
Answer:
A vaccine is a biological preparation that provides active acquired immunity to a particular infectious 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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