Question

what is vaccination​

Answer 1

Vaccination

Vaccination is the administration of a vaccine to help the immune system develop protection from a disease. Vaccines contain a microorganism or virus in a weakened, live or killed state, or proteins or toxins from the organism.

Vaccine

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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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Answer 2

Explanation:

$\huge\mathfrak\red{A \: vaccine \: is \: a \: biological \: preparation \: that \: provides \: active \: acquired \: immunity \: to \: a \: particular \: infectious \: disease. \: A \: vaccine \: typically \: contains \: an \: agent \: that \: resembles \: a \: disease-causing \: microorganism \: and \: is \: often \: made \: from \: weakened \: or \: killed \: forms \: of \: the \: microbe, \: its \: toxins, \: or \: one \: of \: its \: surface \: proteins.}$