ANATOMY

Detailed explanation-1: -Vaccines contain weakened or inactive parts of a particular organism (antigen) that triggers an immune response within the body. Newer vaccines contain the blueprint for producing antigens rather than the antigen itself.

Detailed explanation-2: -The introduction of weak and dead microbes into the body is called vaccination.

Detailed explanation-3: -Vaccines help prevent infection by preparing the body to fight foreign invaders (such as bacteria, viruses, or other pathogens). All vaccines introduce into the body a harmless piece of a particular bacteria or virus, triggering an immune response. Most vaccines contain a weakened or dead bacteria or virus.

Detailed explanation-4: -Vaccine-induced immunity is acquired through the introduction of a killed or weakened form of the disease organism through vaccination.

Detailed explanation-5: -A vaccine is a biological preparation containing weakened or dead microbes which is introduced into a healthy person’s body to produce antibodies against the disease-causing microbes. Vaccines can be injected or administered orally.