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Vaccination HTML5

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Summary

Vaccination is a procedure with the goal of protecting the organism from a specific infection by stimulating the immune system. The organism can defend itself thanks to the action of the lymphocytes which attack microorganisms and develop an immunological memory. A vaccine does not cure but protects the organism against an infectious disease, by a preventative and life-long mechanism.

The dashed graph curve represents a non-vaccinated individual. The solid graph curve characterise a vaccinated individual. The scales of the graph are not respected.

Click and slide the cursor to advance the animation.

Learning goals

  • Understand the principle of vaccination.
  • Identify the agents that intervene with the immune response.

Learn more

  • Infectious agents (bacteria, viruses) possess specific molecules called antigens on their surface. Faced with an attack by an infectious agent, the organism develops an immune response by…

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