Question

I need a very detailed explanation on vaccines . That includes the types how they work in the body , what they are majorly used for e.t.c.

WARNING : any answer that doesn't give the correct information will be reported
I really need this thanks :)

Answer 1

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.

Step-by-step explanation: