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Posts Tagged ‘The Vaccination’

The vaccination is a method of introducing an external agent (the vaccine) in an organism in order to create a positive immune response against an infectious disease. The active substance of a vaccine is an antigen to stimulate the body’s natural defenses (the immune system). The primary immune response allows a parallel implementation of memory antigen presented that in future, in a real infection, acquired immunity can activate more quickly. There are four types of vaccines in their preparation: inactivated infectious agents live attenuated, subunit of infectious agents or toxoids (the diphtheria, tetanus’s).

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