What is vaccination?

• The process of administering the vaccine is called vaccination.
• A vaccine is the preparation of killed or inactive disease-causing microbes that are injected into the body of a healthy person.
• This injection of vaccine stimulates the immune response of the body, wherein the body produces antibodies to fight the infectious agent whenever it is encountered in the future.
• Many diseases, especially infectious diseases such as smallpox have been eradicated by vaccination only.