Question

What do you mean by vaccines.​

Answer 1

Explanation:

vaccine is a type of medicine that trains the body's immune system so that it can fight a disease it has not come into contact with before. Vaccines are designed to prevent disease, rather than treat a disease once you have caught it.

Answer 2

$\huge {\colorbox{aqua} {\color{red} {Vaccine}}}$

Vaccine is a mild form of a disease that is put (injected) into a person or an animal’s blood using a needle (an injection) in order to protect the body against that disease.