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Posts Tagged ‘Active Immunization’

The immunization is defined as the acquisition of protective immunity against an infectious disease. Practice is that aims to increase the resistance of an individual against infection. It is administered by vaccine, immunoglobulin or serum of antibodies. Vaccines are used to induce active immunity, its administration results in a biological response and the production of specific antibodies. Thus, immunity is induced against future infections by the same microorganism. The active immunity lasts for many years, is induced by the passive administration of antibodies against a particular infection. The antibodies harvested from human immunoglobulin are called and the animal sera. Passive immunity lasts only a few weeks. Active immunization occurs when the individual’s own immune system, when in contact with a foreign substance to the body responds by producing antibodies and immune cells. This type of immunity usually lasts for several years, sometimes for a lifetime. The two ways to acquire active immunity is contracting an infectious disease and vaccination.

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