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DEFINITION

The immune response protects the body against disease. Children are born with a natural immunity to the disease by the transmission of antibodies from mother to fetus through the placenta. This immunity is maintained during the period when children are breastfed.

Vaccination is a means of triggering acquired immunity. This is a specialized form of immunity that provides long lasting protection against specific antigens, responsible for certain diseases.

BASIS

They are given small doses of an antigen (such as dead or weakened viruses) to activate the immune memory (complex mechanism involved in the specialized cells of the blood that are capable of recognizing the antigen and respond quickly to their presence ).

The immune memory allows the body to react quickly and efficiently to future exposure to germs, toxins, etc … before they can cause harm. Vaccination is one of the best ways to protect against many diseases.

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