PATHOLOGY

Detailed explanation-1: -Vaccines contain weakened or inactive parts of a particular organism (antigen) that triggers an immune response within the body.

Detailed explanation-2: -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-3: -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.

Detailed explanation-4: -Vaccination. The introduction of weak and dead microbes into the body is called vaccination. Vaccines are medicines that contain weakened or dead bacteria or viruses. When a person takes a vaccine, his or her immune system responds by producing antibodies substances that weaken or destroy disease-causing organisms.

Detailed explanation-5: -A vaccine is a substance that is introduced into the body to stimulate the body’s immune response. It is given to prevent an infectious disease from developing and the person becoming ill. Vaccines are made from microbes that are dead or inactive so that they are unable to cause disease.