Question

What is vaccine? Name two diseases for

which vaccines are given.​

Answer 1

Explanation:

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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A vaccine is a substance that helps protect against certain diseases.

$\orange\Rightarrow$ Poilo

$\orange\Rightarrow$ Hepatitis

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