Question

define putrefaction and
vaccine​

Answer 1

Answer:

Putrefaction is the decay of the organic matter by the action of microorganisms resulting in the production of a foul smell. It occurs between 10 to 20 days of the death of an organism. It is the fifth stage of death following pallor mortis, algor mortis, rigor mortis and livor mortis.

Explanation:

A vaccine is a biological preparation that provides active acquired immunity to a particular 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

Answer:

Immunization is the process by which an individual's immune system becomes fortified against an agent (known as the immunogen ). ... Vaccines against microorganisms that cause diseases can prepare the body's immune system, thus helping it fight or prevent an infection.

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