Question

what is vaccination?​

Answer 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.

Answer 2

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Vaccination: Injection of a killed microbe in order to stimulate the immune system against the microbe, thereby preventing disease.