A vaccine is the preparation that improve immunity to a particular disease. It is a biologically prepared product which contains typical agents resembling a microorganism that causes diseases.
The vaccine helps in the stimulation of the immune system and to identify the invaded microbes as the foreign agent and destroy it so that the immune system can be recognized and to destroy any microorganism encountered later.
Answers & Comments
A vaccine is the preparation that improve immunity to a particular disease. It is a biologically prepared product which contains typical agents resembling a microorganism that causes diseases.
The vaccine helps in the stimulation of the immune system and to identify the invaded microbes as the foreign agent and destroy it so that the immune system can be recognized and to destroy any microorganism encountered later.